Home / 3,538.53-5,306.72-1,229.49

Finding the Fourth Proportional to 3,538.53, 5,306.72 and 1,229.49

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Solution

The fourth proportional to 3,538.53, 5,306.72 and 1,229.49 is: 1,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.53 : 5,306.72 = 1,229.49 : x
  2. Step 2: Convert to fraction form
    3,538.53/5,306.72 = 1,229.49/x
  3. Step 3: Cross multiply
    3,538.53x = 5,306.72 × 1,229.49
  4. Step 4: Simplify right side
    3,538.53x = 6,524,553.03
  5. Step 5: Solve for x
    x = 6,524,553.03/3,538.53
  6. Step 6: Final answer
    x = 1,843.86

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1.5x scale

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.