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Finding the Fourth Proportional to 2,402.69, 3,604.04 and 671.31

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Solution

The fourth proportional to 2,402.69, 3,604.04 and 671.31 is: 1,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.69 : 3,604.04 = 671.31 : x
  2. Step 2: Convert to fraction form
    2,402.69/3,604.04 = 671.31/x
  3. Step 3: Cross multiply
    2,402.69x = 3,604.04 × 671.31
  4. Step 4: Simplify right side
    2,402.69x = 2,419,433.75
  5. Step 5: Solve for x
    x = 2,419,433.75/2,402.69
  6. Step 6: Final answer
    x = 1,006.97

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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.