Home / 3,982.80-5,972.36-2,202.66

Finding the Fourth Proportional to 3,982.80, 5,972.36 and 2,202.66

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Solution

The fourth proportional to 3,982.80, 5,972.36 and 2,202.66 is: 3,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.80 : 5,972.36 = 2,202.66 : x
  2. Step 2: Convert to fraction form
    3,982.80/5,972.36 = 2,202.66/x
  3. Step 3: Cross multiply
    3,982.80x = 5,972.36 × 2,202.66
  4. Step 4: Simplify right side
    3,982.80x = 13,155,078.48
  5. Step 5: Solve for x
    x = 13,155,078.48/3,982.80
  6. Step 6: Final answer
    x = 3,302.97

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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.