Home / 2,724.80-4,081.04-2,663.29

Finding the Fourth Proportional to 2,724.80, 4,081.04 and 2,663.29

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Solution

The fourth proportional to 2,724.80, 4,081.04 and 2,663.29 is: 3,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.80 : 4,081.04 = 2,663.29 : x
  2. Step 2: Convert to fraction form
    2,724.80/4,081.04 = 2,663.29/x
  3. Step 3: Cross multiply
    2,724.80x = 4,081.04 × 2,663.29
  4. Step 4: Simplify right side
    2,724.80x = 10,868,990.81
  5. Step 5: Solve for x
    x = 10,868,990.81/2,724.80
  6. Step 6: Final answer
    x = 3,988.92

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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.