Home / 2,614.20-3,923.97-1,381.38

Finding the Fourth Proportional to 2,614.20, 3,923.97 and 1,381.38

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Solution

The fourth proportional to 2,614.20, 3,923.97 and 1,381.38 is: 2,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.20 : 3,923.97 = 1,381.38 : x
  2. Step 2: Convert to fraction form
    2,614.20/3,923.97 = 1,381.38/x
  3. Step 3: Cross multiply
    2,614.20x = 3,923.97 × 1,381.38
  4. Step 4: Simplify right side
    2,614.20x = 5,420,493.68
  5. Step 5: Solve for x
    x = 5,420,493.68/2,614.20
  6. Step 6: Final answer
    x = 2,073.48

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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.