Home / 3,724.97-5,146.67-3,102.89

Finding the Fourth Proportional to 3,724.97, 5,146.67 and 3,102.89

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Solution

The fourth proportional to 3,724.97, 5,146.67 and 3,102.89 is: 4,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.97 : 5,146.67 = 3,102.89 : x
  2. Step 2: Convert to fraction form
    3,724.97/5,146.67 = 3,102.89/x
  3. Step 3: Cross multiply
    3,724.97x = 5,146.67 × 3,102.89
  4. Step 4: Simplify right side
    3,724.97x = 15,969,532.90
  5. Step 5: Solve for x
    x = 15,969,532.90/3,724.97
  6. Step 6: Final answer
    x = 4,287.16

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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.