Home / 3,335.34-5,001.45-1,387.02

Finding the Fourth Proportional to 3,335.34, 5,001.45 and 1,387.02

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Solution

The fourth proportional to 3,335.34, 5,001.45 and 1,387.02 is: 2,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.34 : 5,001.45 = 1,387.02 : x
  2. Step 2: Convert to fraction form
    3,335.34/5,001.45 = 1,387.02/x
  3. Step 3: Cross multiply
    3,335.34x = 5,001.45 × 1,387.02
  4. Step 4: Simplify right side
    3,335.34x = 6,937,111.18
  5. Step 5: Solve for x
    x = 6,937,111.18/3,335.34
  6. Step 6: Final answer
    x = 2,079.88

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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.