Home / 3,439.28-5,159.97-2,851.62

Finding the Fourth Proportional to 3,439.28, 5,159.97 and 2,851.62

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Solution

The fourth proportional to 3,439.28, 5,159.97 and 2,851.62 is: 4,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.28 : 5,159.97 = 2,851.62 : x
  2. Step 2: Convert to fraction form
    3,439.28/5,159.97 = 2,851.62/x
  3. Step 3: Cross multiply
    3,439.28x = 5,159.97 × 2,851.62
  4. Step 4: Simplify right side
    3,439.28x = 14,714,273.65
  5. Step 5: Solve for x
    x = 14,714,273.65/3,439.28
  6. Step 6: Final answer
    x = 4,278.31

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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.