Home / 3,984.43-5,979.24-1,519.27

Finding the Fourth Proportional to 3,984.43, 5,979.24 and 1,519.27

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Solution

The fourth proportional to 3,984.43, 5,979.24 and 1,519.27 is: 2,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.43 : 5,979.24 = 1,519.27 : x
  2. Step 2: Convert to fraction form
    3,984.43/5,979.24 = 1,519.27/x
  3. Step 3: Cross multiply
    3,984.43x = 5,979.24 × 1,519.27
  4. Step 4: Simplify right side
    3,984.43x = 9,084,079.95
  5. Step 5: Solve for x
    x = 9,084,079.95/3,984.43
  6. Step 6: Final answer
    x = 2,279.89

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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.