Home / 3,689.28-5,524.80-2,749.97

Finding the Fourth Proportional to 3,689.28, 5,524.80 and 2,749.97

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Solution

The fourth proportional to 3,689.28, 5,524.80 and 2,749.97 is: 4,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689.28 : 5,524.80 = 2,749.97 : x
  2. Step 2: Convert to fraction form
    3,689.28/5,524.80 = 2,749.97/x
  3. Step 3: Cross multiply
    3,689.28x = 5,524.80 × 2,749.97
  4. Step 4: Simplify right side
    3,689.28x = 15,193,034.26
  5. Step 5: Solve for x
    x = 15,193,034.26/3,689.28
  6. Step 6: Final answer
    x = 4,118.16

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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.