Home / 1,557.55-2,337.07-1,037.80

Finding the Fourth Proportional to 1,557.55, 2,337.07 and 1,037.80

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Solution

The fourth proportional to 1,557.55, 2,337.07 and 1,037.80 is: 1,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.55 : 2,337.07 = 1,037.80 : x
  2. Step 2: Convert to fraction form
    1,557.55/2,337.07 = 1,037.80/x
  3. Step 3: Cross multiply
    1,557.55x = 2,337.07 × 1,037.80
  4. Step 4: Simplify right side
    1,557.55x = 2,425,411.25
  5. Step 5: Solve for x
    x = 2,425,411.25/1,557.55
  6. Step 6: Final answer
    x = 1,557.20

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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.