Home / 3,516.90-5,278.60-2,418.54

Finding the Fourth Proportional to 3,516.90, 5,278.60 and 2,418.54

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Solution

The fourth proportional to 3,516.90, 5,278.60 and 2,418.54 is: 3,630.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.90 : 5,278.60 = 2,418.54 : x
  2. Step 2: Convert to fraction form
    3,516.90/5,278.60 = 2,418.54/x
  3. Step 3: Cross multiply
    3,516.90x = 5,278.60 × 2,418.54
  4. Step 4: Simplify right side
    3,516.90x = 12,766,505.24
  5. Step 5: Solve for x
    x = 12,766,505.24/3,516.90
  6. Step 6: Final answer
    x = 3,630.04

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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.