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Finding the Fourth Proportional to 3,999.38, 5,997.69 and 1,534.91

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Solution

The fourth proportional to 3,999.38, 5,997.69 and 1,534.91 is: 2,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.38 : 5,997.69 = 1,534.91 : x
  2. Step 2: Convert to fraction form
    3,999.38/5,997.69 = 1,534.91/x
  3. Step 3: Cross multiply
    3,999.38x = 5,997.69 × 1,534.91
  4. Step 4: Simplify right side
    3,999.38x = 9,205,884.37
  5. Step 5: Solve for x
    x = 9,205,884.37/3,999.38
  6. Step 6: Final answer
    x = 2,301.83

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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.