Home / 3,862.35-5,791.37-1,553.31

Finding the Fourth Proportional to 3,862.35, 5,791.37 and 1,553.31

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Solution

The fourth proportional to 3,862.35, 5,791.37 and 1,553.31 is: 2,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.35 : 5,791.37 = 1,553.31 : x
  2. Step 2: Convert to fraction form
    3,862.35/5,791.37 = 1,553.31/x
  3. Step 3: Cross multiply
    3,862.35x = 5,791.37 × 1,553.31
  4. Step 4: Simplify right side
    3,862.35x = 8,995,785.17
  5. Step 5: Solve for x
    x = 8,995,785.17/3,862.35
  6. Step 6: Final answer
    x = 2,329.10

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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.