Home / 3,913.38-5,398.92-2,516.94

Finding the Fourth Proportional to 3,913.38, 5,398.92 and 2,516.94

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Solution

The fourth proportional to 3,913.38, 5,398.92 and 2,516.94 is: 3,472.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.38 : 5,398.92 = 2,516.94 : x
  2. Step 2: Convert to fraction form
    3,913.38/5,398.92 = 2,516.94/x
  3. Step 3: Cross multiply
    3,913.38x = 5,398.92 × 2,516.94
  4. Step 4: Simplify right side
    3,913.38x = 13,588,757.70
  5. Step 5: Solve for x
    x = 13,588,757.70/3,913.38
  6. Step 6: Final answer
    x = 3,472.38

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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.