Home / 1,664.24-2,493.16-931.60

Finding the Fourth Proportional to 1,664.24, 2,493.16 and 931.60

Calculator

Solution

The fourth proportional to 1,664.24, 2,493.16 and 931.60 is: 1,395.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664.24 : 2,493.16 = 931.60 : x
  2. Step 2: Convert to fraction form
    1,664.24/2,493.16 = 931.60/x
  3. Step 3: Cross multiply
    1,664.24x = 2,493.16 × 931.60
  4. Step 4: Simplify right side
    1,664.24x = 2,322,627.86
  5. Step 5: Solve for x
    x = 2,322,627.86/1,664.24
  6. Step 6: Final answer
    x = 1,395.61

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.