Home / 3,654.87-5,042.47-2,081.85

Finding the Fourth Proportional to 3,654.87, 5,042.47 and 2,081.85

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Solution

The fourth proportional to 3,654.87, 5,042.47 and 2,081.85 is: 2,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.87 : 5,042.47 = 2,081.85 : x
  2. Step 2: Convert to fraction form
    3,654.87/5,042.47 = 2,081.85/x
  3. Step 3: Cross multiply
    3,654.87x = 5,042.47 × 2,081.85
  4. Step 4: Simplify right side
    3,654.87x = 10,497,666.17
  5. Step 5: Solve for x
    x = 10,497,666.17/3,654.87
  6. Step 6: Final answer
    x = 2,872.24

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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.