Home / 3,724.38-5,143.47-3,224.62

Finding the Fourth Proportional to 3,724.38, 5,143.47 and 3,224.62

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Solution

The fourth proportional to 3,724.38, 5,143.47 and 3,224.62 is: 4,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.38 : 5,143.47 = 3,224.62 : x
  2. Step 2: Convert to fraction form
    3,724.38/5,143.47 = 3,224.62/x
  3. Step 3: Cross multiply
    3,724.38x = 5,143.47 × 3,224.62
  4. Step 4: Simplify right side
    3,724.38x = 16,585,736.23
  5. Step 5: Solve for x
    x = 16,585,736.23/3,724.38
  6. Step 6: Final answer
    x = 4,453.29

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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.