4/3
(Redirected from Perfect fourth)
| JI glyph | 
|
| Ratio | 4/3 |
| Monzo | [2 -1⟩ |
| Size in cents | 498.04500 |
| Name(s) | just perfect fourth |
| Color name | w4, wa 4th |
| FJS name | P4 |
[sound info] | |
4/3 is the frequency ratio of the just perfect fourth. Its inversion is the perfect fifth, 3/2.
