Home / 2,167.17-3,251.52-1,127.13

Finding the Fourth Proportional to 2,167.17, 3,251.52 and 1,127.13

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Solution

The fourth proportional to 2,167.17, 3,251.52 and 1,127.13 is: 1,691.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.17 : 3,251.52 = 1,127.13 : x
  2. Step 2: Convert to fraction form
    2,167.17/3,251.52 = 1,127.13/x
  3. Step 3: Cross multiply
    2,167.17x = 3,251.52 × 1,127.13
  4. Step 4: Simplify right side
    2,167.17x = 3,664,885.74
  5. Step 5: Solve for x
    x = 3,664,885.74/2,167.17
  6. Step 6: Final answer
    x = 1,691.09

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1.5x scale

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.