Home / 3,691.25-5,531.40-3,037.76

Finding the Fourth Proportional to 3,691.25, 5,531.40 and 3,037.76

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Solution

The fourth proportional to 3,691.25, 5,531.40 and 3,037.76 is: 4,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.25 : 5,531.40 = 3,037.76 : x
  2. Step 2: Convert to fraction form
    3,691.25/5,531.40 = 3,037.76/x
  3. Step 3: Cross multiply
    3,691.25x = 5,531.40 × 3,037.76
  4. Step 4: Simplify right side
    3,691.25x = 16,803,079.49
  5. Step 5: Solve for x
    x = 16,803,079.49/3,691.25
  6. Step 6: Final answer
    x = 4,552.14

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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.