Home / 3,682.20-5,081.38-2,003.62

Finding the Fourth Proportional to 3,682.20, 5,081.38 and 2,003.62

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Solution

The fourth proportional to 3,682.20, 5,081.38 and 2,003.62 is: 2,764.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.20 : 5,081.38 = 2,003.62 : x
  2. Step 2: Convert to fraction form
    3,682.20/5,081.38 = 2,003.62/x
  3. Step 3: Cross multiply
    3,682.20x = 5,081.38 × 2,003.62
  4. Step 4: Simplify right side
    3,682.20x = 10,181,154.60
  5. Step 5: Solve for x
    x = 10,181,154.60/3,682.20
  6. Step 6: Final answer
    x = 2,764.97

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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.