Home / 2,732.40-3,769.13-1,553.24

Finding the Fourth Proportional to 2,732.40, 3,769.13 and 1,553.24

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Solution

The fourth proportional to 2,732.40, 3,769.13 and 1,553.24 is: 2,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.40 : 3,769.13 = 1,553.24 : x
  2. Step 2: Convert to fraction form
    2,732.40/3,769.13 = 1,553.24/x
  3. Step 3: Cross multiply
    2,732.40x = 3,769.13 × 1,553.24
  4. Step 4: Simplify right side
    2,732.40x = 5,854,376.79
  5. Step 5: Solve for x
    x = 5,854,376.79/2,732.40
  6. Step 6: Final answer
    x = 2,142.58

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1.5x scale

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.