| SCALA GRECA O PITAGORICA | ||
| Progressione 3/2 base FAb | ||
| Ciclo quinte | Rapporti | |
| Note | Frazioni | Decimali |
| FAb | 1 | 1,000000 |
| DOb | 3/2 | 1,500000 |
| SOLb | 9/4 | 2,250000 |
| REb | 27/8 | 3,375000 |
| LAb | 81/16 | 5,062500 |
| MIb | 243/32 | 7,593750 |
| SIb | 729/64 | 11,390625 |
| FA | 2187/128 | 17,085938 |
| DO | 6561/256 | 25,628906 |
| SOL | 19683/512 | 38,443359 |
| RE | 59049/1024 | 57,665039 |
| LA | 177147/2048 | 86,497559 |
| MI | 531441/4096 | 129,746338 |
| SI | 1594323/8192 | 194,619507 |
| FA# | 4782969/16384 | 291,929260 |
| DO# | 14348907/32768 | 437,893890 |
| SOL# | 43046721/65536 | 656,840836 |
| RE# | 129140163/131072 | 985,261253 |
| LA# | 387420489/262144 | 1477,891880 |
| MI# | 1162261467/524288 | 2216,837820 |
| SI# | 3486784401/1048576 | 3325,256730 |