Home / 2,732.13-3,770.96-1,553.31

Finding the Fourth Proportional to 2,732.13, 3,770.96 and 1,553.31

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Solution

The fourth proportional to 2,732.13, 3,770.96 and 1,553.31 is: 2,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.13 : 3,770.96 = 1,553.31 : x
  2. Step 2: Convert to fraction form
    2,732.13/3,770.96 = 1,553.31/x
  3. Step 3: Cross multiply
    2,732.13x = 3,770.96 × 1,553.31
  4. Step 4: Simplify right side
    2,732.13x = 5,857,462.11
  5. Step 5: Solve for x
    x = 5,857,462.11/2,732.13
  6. Step 6: Final answer
    x = 2,143.92

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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.