Home / 3,127.18-4,691.64-935.98

Finding the Fourth Proportional to 3,127.18, 4,691.64 and 935.98

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Solution

The fourth proportional to 3,127.18, 4,691.64 and 935.98 is: 1,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.18 : 4,691.64 = 935.98 : x
  2. Step 2: Convert to fraction form
    3,127.18/4,691.64 = 935.98/x
  3. Step 3: Cross multiply
    3,127.18x = 4,691.64 × 935.98
  4. Step 4: Simplify right side
    3,127.18x = 4,391,281.21
  5. Step 5: Solve for x
    x = 4,391,281.21/3,127.18
  6. Step 6: Final answer
    x = 1,404.23

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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.