Home / 3,721.50-5,583.60-2,079.43

Finding the Fourth Proportional to 3,721.50, 5,583.60 and 2,079.43

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Solution

The fourth proportional to 3,721.50, 5,583.60 and 2,079.43 is: 3,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.50 : 5,583.60 = 2,079.43 : x
  2. Step 2: Convert to fraction form
    3,721.50/5,583.60 = 2,079.43/x
  3. Step 3: Cross multiply
    3,721.50x = 5,583.60 × 2,079.43
  4. Step 4: Simplify right side
    3,721.50x = 11,610,691.39
  5. Step 5: Solve for x
    x = 11,610,691.39/3,721.50
  6. Step 6: Final answer
    x = 3,119.90

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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.