Home / 4,042.97-5,578.65-2,551.70

Finding the Fourth Proportional to 4,042.97, 5,578.65 and 2,551.70

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Solution

The fourth proportional to 4,042.97, 5,578.65 and 2,551.70 is: 3,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.97 : 5,578.65 = 2,551.70 : x
  2. Step 2: Convert to fraction form
    4,042.97/5,578.65 = 2,551.70/x
  3. Step 3: Cross multiply
    4,042.97x = 5,578.65 × 2,551.70
  4. Step 4: Simplify right side
    4,042.97x = 14,235,013.31
  5. Step 5: Solve for x
    x = 14,235,013.31/4,042.97
  6. Step 6: Final answer
    x = 3,520.93

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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.