Home / 3,724.16-5,587.45-1,992.38

Finding the Fourth Proportional to 3,724.16, 5,587.45 and 1,992.38

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Solution

The fourth proportional to 3,724.16, 5,587.45 and 1,992.38 is: 2,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.16 : 5,587.45 = 1,992.38 : x
  2. Step 2: Convert to fraction form
    3,724.16/5,587.45 = 1,992.38/x
  3. Step 3: Cross multiply
    3,724.16x = 5,587.45 × 1,992.38
  4. Step 4: Simplify right side
    3,724.16x = 11,132,290.71
  5. Step 5: Solve for x
    x = 11,132,290.71/3,724.16
  6. Step 6: Final answer
    x = 2,989.21

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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.