Home / 3,982.91-5,979.83-2,528.55

Finding the Fourth Proportional to 3,982.91, 5,979.83 and 2,528.55

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Solution

The fourth proportional to 3,982.91, 5,979.83 and 2,528.55 is: 3,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.91 : 5,979.83 = 2,528.55 : x
  2. Step 2: Convert to fraction form
    3,982.91/5,979.83 = 2,528.55/x
  3. Step 3: Cross multiply
    3,982.91x = 5,979.83 × 2,528.55
  4. Step 4: Simplify right side
    3,982.91x = 15,120,286.50
  5. Step 5: Solve for x
    x = 15,120,286.50/3,982.91
  6. Step 6: Final answer
    x = 3,796.30

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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.