Home / 3,445.02-5,159.21-2,387.88

Finding the Fourth Proportional to 3,445.02, 5,159.21 and 2,387.88

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Solution

The fourth proportional to 3,445.02, 5,159.21 and 2,387.88 is: 3,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.02 : 5,159.21 = 2,387.88 : x
  2. Step 2: Convert to fraction form
    3,445.02/5,159.21 = 2,387.88/x
  3. Step 3: Cross multiply
    3,445.02x = 5,159.21 × 2,387.88
  4. Step 4: Simplify right side
    3,445.02x = 12,319,562.44
  5. Step 5: Solve for x
    x = 12,319,562.44/3,445.02
  6. Step 6: Final answer
    x = 3,576.05

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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.