Home / 3,736.20-5,616.45-3,201.60

Finding the Fourth Proportional to 3,736.20, 5,616.45 and 3,201.60

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Solution

The fourth proportional to 3,736.20, 5,616.45 and 3,201.60 is: 4,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.20 : 5,616.45 = 3,201.60 : x
  2. Step 2: Convert to fraction form
    3,736.20/5,616.45 = 3,201.60/x
  3. Step 3: Cross multiply
    3,736.20x = 5,616.45 × 3,201.60
  4. Step 4: Simplify right side
    3,736.20x = 17,981,626.32
  5. Step 5: Solve for x
    x = 17,981,626.32/3,736.20
  6. Step 6: Final answer
    x = 4,812.81

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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.