Home / 2,414.30-3,617.40-2,001.20

Finding the Fourth Proportional to 2,414.30, 3,617.40 and 2,001.20

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Solution

The fourth proportional to 2,414.30, 3,617.40 and 2,001.20 is: 2,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.30 : 3,617.40 = 2,001.20 : x
  2. Step 2: Convert to fraction form
    2,414.30/3,617.40 = 2,001.20/x
  3. Step 3: Cross multiply
    2,414.30x = 3,617.40 × 2,001.20
  4. Step 4: Simplify right side
    2,414.30x = 7,239,140.88
  5. Step 5: Solve for x
    x = 7,239,140.88/2,414.30
  6. Step 6: Final answer
    x = 2,998.44

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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.