Home / 4,125.38-5,691.78-2,530.39

Finding the Fourth Proportional to 4,125.38, 5,691.78 and 2,530.39

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Solution

The fourth proportional to 4,125.38, 5,691.78 and 2,530.39 is: 3,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.38 : 5,691.78 = 2,530.39 : x
  2. Step 2: Convert to fraction form
    4,125.38/5,691.78 = 2,530.39/x
  3. Step 3: Cross multiply
    4,125.38x = 5,691.78 × 2,530.39
  4. Step 4: Simplify right side
    4,125.38x = 14,402,423.20
  5. Step 5: Solve for x
    x = 14,402,423.20/4,125.38
  6. Step 6: Final answer
    x = 3,491.17

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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.