Home / 4,042.73-5,578.56-2,274.29

Finding the Fourth Proportional to 4,042.73, 5,578.56 and 2,274.29

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Solution

The fourth proportional to 4,042.73, 5,578.56 and 2,274.29 is: 3,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.73 : 5,578.56 = 2,274.29 : x
  2. Step 2: Convert to fraction form
    4,042.73/5,578.56 = 2,274.29/x
  3. Step 3: Cross multiply
    4,042.73x = 5,578.56 × 2,274.29
  4. Step 4: Simplify right side
    4,042.73x = 12,687,285.70
  5. Step 5: Solve for x
    x = 12,687,285.70/4,042.73
  6. Step 6: Final answer
    x = 3,138.30

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.