Let the numbers are n, n+1, n+2 and n+3. Then the condition says 4*(n + (n+3)) > 6*(n+2) 4n + 4n + 12 > 6n + 12 8n + 12 > 6n + 12 8n - 6n > 12 - 12 2n > 0 n > 0.