Home / 3,391.26-5,079.96-2,516.46

Finding the Fourth Proportional to 3,391.26, 5,079.96 and 2,516.46

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Solution

The fourth proportional to 3,391.26, 5,079.96 and 2,516.46 is: 3,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.26 : 5,079.96 = 2,516.46 : x
  2. Step 2: Convert to fraction form
    3,391.26/5,079.96 = 2,516.46/x
  3. Step 3: Cross multiply
    3,391.26x = 5,079.96 × 2,516.46
  4. Step 4: Simplify right side
    3,391.26x = 12,783,516.14
  5. Step 5: Solve for x
    x = 12,783,516.14/3,391.26
  6. Step 6: Final answer
    x = 3,769.55

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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.