Home / 2,614.11-3,911.25-1,613.70

Finding the Fourth Proportional to 2,614.11, 3,911.25 and 1,613.70

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Solution

The fourth proportional to 2,614.11, 3,911.25 and 1,613.70 is: 2,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.11 : 3,911.25 = 1,613.70 : x
  2. Step 2: Convert to fraction form
    2,614.11/3,911.25 = 1,613.70/x
  3. Step 3: Cross multiply
    2,614.11x = 3,911.25 × 1,613.70
  4. Step 4: Simplify right side
    2,614.11x = 6,311,584.13
  5. Step 5: Solve for x
    x = 6,311,584.13/2,614.11
  6. Step 6: Final answer
    x = 2,414.43

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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.