Home / 2,841.17-4,278.85-2,516.20

Finding the Fourth Proportional to 2,841.17, 4,278.85 and 2,516.20

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Solution

The fourth proportional to 2,841.17, 4,278.85 and 2,516.20 is: 3,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.17 : 4,278.85 = 2,516.20 : x
  2. Step 2: Convert to fraction form
    2,841.17/4,278.85 = 2,516.20/x
  3. Step 3: Cross multiply
    2,841.17x = 4,278.85 × 2,516.20
  4. Step 4: Simplify right side
    2,841.17x = 10,766,425.38
  5. Step 5: Solve for x
    x = 10,766,425.38/2,841.17
  6. Step 6: Final answer
    x = 3,789.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.