Home / 3,979.49-5,967.20-1,512.43

Finding the Fourth Proportional to 3,979.49, 5,967.20 and 1,512.43

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Solution

The fourth proportional to 3,979.49, 5,967.20 and 1,512.43 is: 2,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.49 : 5,967.20 = 1,512.43 : x
  2. Step 2: Convert to fraction form
    3,979.49/5,967.20 = 1,512.43/x
  3. Step 3: Cross multiply
    3,979.49x = 5,967.20 × 1,512.43
  4. Step 4: Simplify right side
    3,979.49x = 9,024,972.30
  5. Step 5: Solve for x
    x = 9,024,972.30/3,979.49
  6. Step 6: Final answer
    x = 2,267.87

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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.