Home / 3,335.31-5,002.97-1,387.53

Finding the Fourth Proportional to 3,335.31, 5,002.97 and 1,387.53

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Solution

The fourth proportional to 3,335.31, 5,002.97 and 1,387.53 is: 2,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.31 : 5,002.97 = 1,387.53 : x
  2. Step 2: Convert to fraction form
    3,335.31/5,002.97 = 1,387.53/x
  3. Step 3: Cross multiply
    3,335.31x = 5,002.97 × 1,387.53
  4. Step 4: Simplify right side
    3,335.31x = 6,941,764.03
  5. Step 5: Solve for x
    x = 6,941,764.03/3,335.31
  6. Step 6: Final answer
    x = 2,081.30

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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.