Home / 3,637.92-5,456.33-1,172.43

Finding the Fourth Proportional to 3,637.92, 5,456.33 and 1,172.43

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Solution

The fourth proportional to 3,637.92, 5,456.33 and 1,172.43 is: 1,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.92 : 5,456.33 = 1,172.43 : x
  2. Step 2: Convert to fraction form
    3,637.92/5,456.33 = 1,172.43/x
  3. Step 3: Cross multiply
    3,637.92x = 5,456.33 × 1,172.43
  4. Step 4: Simplify right side
    3,637.92x = 6,397,159.12
  5. Step 5: Solve for x
    x = 6,397,159.12/3,637.92
  6. Step 6: Final answer
    x = 1,758.47

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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.