Home / 2,557.32-3,531.36-1,614.80

Finding the Fourth Proportional to 2,557.32, 3,531.36 and 1,614.80

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Solution

The fourth proportional to 2,557.32, 3,531.36 and 1,614.80 is: 2,229.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.32 : 3,531.36 = 1,614.80 : x
  2. Step 2: Convert to fraction form
    2,557.32/3,531.36 = 1,614.80/x
  3. Step 3: Cross multiply
    2,557.32x = 3,531.36 × 1,614.80
  4. Step 4: Simplify right side
    2,557.32x = 5,702,440.13
  5. Step 5: Solve for x
    x = 5,702,440.13/2,557.32
  6. Step 6: Final answer
    x = 2,229.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.