Home / 3,387.60-5,076.36-2,001.24

Finding the Fourth Proportional to 3,387.60, 5,076.36 and 2,001.24

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Solution

The fourth proportional to 3,387.60, 5,076.36 and 2,001.24 is: 2,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.60 : 5,076.36 = 2,001.24 : x
  2. Step 2: Convert to fraction form
    3,387.60/5,076.36 = 2,001.24/x
  3. Step 3: Cross multiply
    3,387.60x = 5,076.36 × 2,001.24
  4. Step 4: Simplify right side
    3,387.60x = 10,159,014.69
  5. Step 5: Solve for x
    x = 10,159,014.69/3,387.60
  6. Step 6: Final answer
    x = 2,998.88

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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.