Home / 2,724.61-4,086.92-2,180.25

Finding the Fourth Proportional to 2,724.61, 4,086.92 and 2,180.25

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Solution

The fourth proportional to 2,724.61, 4,086.92 and 2,180.25 is: 3,270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.61 : 4,086.92 = 2,180.25 : x
  2. Step 2: Convert to fraction form
    2,724.61/4,086.92 = 2,180.25/x
  3. Step 3: Cross multiply
    2,724.61x = 4,086.92 × 2,180.25
  4. Step 4: Simplify right side
    2,724.61x = 8,910,507.33
  5. Step 5: Solve for x
    x = 8,910,507.33/2,724.61
  6. Step 6: Final answer
    x = 3,270.38

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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.