Home / 3,761.56-5,185.20-2,963.40

Finding the Fourth Proportional to 3,761.56, 5,185.20 and 2,963.40

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Solution

The fourth proportional to 3,761.56, 5,185.20 and 2,963.40 is: 4,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.56 : 5,185.20 = 2,963.40 : x
  2. Step 2: Convert to fraction form
    3,761.56/5,185.20 = 2,963.40/x
  3. Step 3: Cross multiply
    3,761.56x = 5,185.20 × 2,963.40
  4. Step 4: Simplify right side
    3,761.56x = 15,365,821.68
  5. Step 5: Solve for x
    x = 15,365,821.68/3,761.56
  6. Step 6: Final answer
    x = 4,084.96

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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.