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Finding the Fourth Proportional to 4,122.52, 5,689.31 and 2,354.49

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Solution

The fourth proportional to 4,122.52, 5,689.31 and 2,354.49 is: 3,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.52 : 5,689.31 = 2,354.49 : x
  2. Step 2: Convert to fraction form
    4,122.52/5,689.31 = 2,354.49/x
  3. Step 3: Cross multiply
    4,122.52x = 5,689.31 × 2,354.49
  4. Step 4: Simplify right side
    4,122.52x = 13,395,411.73
  5. Step 5: Solve for x
    x = 13,395,411.73/4,122.52
  6. Step 6: Final answer
    x = 3,249.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.