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Finding the Fourth Proportional to 3,671, 5,505.42 and 1,073.32

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Solution

The fourth proportional to 3,671, 5,505.42 and 1,073.32 is: 1,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671 : 5,505.42 = 1,073.32 : x
  2. Step 2: Convert to fraction form
    3,671/5,505.42 = 1,073.32/x
  3. Step 3: Cross multiply
    3,671x = 5,505.42 × 1,073.32
  4. Step 4: Simplify right side
    3,671x = 5,909,077.39
  5. Step 5: Solve for x
    x = 5,909,077.39/3,671
  6. Step 6: Final answer
    x = 1,609.66

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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.