Home / 3,254.31-4,882.38-1,307.88

Finding the Fourth Proportional to 3,254.31, 4,882.38 and 1,307.88

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Solution

The fourth proportional to 3,254.31, 4,882.38 and 1,307.88 is: 1,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.31 : 4,882.38 = 1,307.88 : x
  2. Step 2: Convert to fraction form
    3,254.31/4,882.38 = 1,307.88/x
  3. Step 3: Cross multiply
    3,254.31x = 4,882.38 × 1,307.88
  4. Step 4: Simplify right side
    3,254.31x = 6,385,567.15
  5. Step 5: Solve for x
    x = 6,385,567.15/3,254.31
  6. Step 6: Final answer
    x = 1,962.19

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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.