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Finding the Fourth Proportional to 3,839.37, 5,755.46 and 3,496.99

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Solution

The fourth proportional to 3,839.37, 5,755.46 and 3,496.99 is: 5,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.37 : 5,755.46 = 3,496.99 : x
  2. Step 2: Convert to fraction form
    3,839.37/5,755.46 = 3,496.99/x
  3. Step 3: Cross multiply
    3,839.37x = 5,755.46 × 3,496.99
  4. Step 4: Simplify right side
    3,839.37x = 20,126,764.98
  5. Step 5: Solve for x
    x = 20,126,764.98/3,839.37
  6. Step 6: Final answer
    x = 5,242.21

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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.