Home / 3,979.92-5,962.47-2,003.22

Finding the Fourth Proportional to 3,979.92, 5,962.47 and 2,003.22

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Solution

The fourth proportional to 3,979.92, 5,962.47 and 2,003.22 is: 3,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.92 : 5,962.47 = 2,003.22 : x
  2. Step 2: Convert to fraction form
    3,979.92/5,962.47 = 2,003.22/x
  3. Step 3: Cross multiply
    3,979.92x = 5,962.47 × 2,003.22
  4. Step 4: Simplify right side
    3,979.92x = 11,944,139.15
  5. Step 5: Solve for x
    x = 11,944,139.15/3,979.92
  6. Step 6: Final answer
    x = 3,001.10

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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.