Home / 3,387.04-5,079.66-2,839.48

Finding the Fourth Proportional to 3,387.04, 5,079.66 and 2,839.48

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Solution

The fourth proportional to 3,387.04, 5,079.66 and 2,839.48 is: 4,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.04 : 5,079.66 = 2,839.48 : x
  2. Step 2: Convert to fraction form
    3,387.04/5,079.66 = 2,839.48/x
  3. Step 3: Cross multiply
    3,387.04x = 5,079.66 × 2,839.48
  4. Step 4: Simplify right side
    3,387.04x = 14,423,592.98
  5. Step 5: Solve for x
    x = 14,423,592.98/3,387.04
  6. Step 6: Final answer
    x = 4,258.47

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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.