Home / 3,761.82-5,632.41-2,718.78

Finding the Fourth Proportional to 3,761.82, 5,632.41 and 2,718.78

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Solution

The fourth proportional to 3,761.82, 5,632.41 and 2,718.78 is: 4,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.82 : 5,632.41 = 2,718.78 : x
  2. Step 2: Convert to fraction form
    3,761.82/5,632.41 = 2,718.78/x
  3. Step 3: Cross multiply
    3,761.82x = 5,632.41 × 2,718.78
  4. Step 4: Simplify right side
    3,761.82x = 15,313,283.66
  5. Step 5: Solve for x
    x = 15,313,283.66/3,761.82
  6. Step 6: Final answer
    x = 4,070.71

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1.5x scale

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.