Home / 3,882.20-5,357.60-2,203.61

Finding the Fourth Proportional to 3,882.20, 5,357.60 and 2,203.61

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Solution

The fourth proportional to 3,882.20, 5,357.60 and 2,203.61 is: 3,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.20 : 5,357.60 = 2,203.61 : x
  2. Step 2: Convert to fraction form
    3,882.20/5,357.60 = 2,203.61/x
  3. Step 3: Cross multiply
    3,882.20x = 5,357.60 × 2,203.61
  4. Step 4: Simplify right side
    3,882.20x = 11,806,023.13
  5. Step 5: Solve for x
    x = 11,806,023.13/3,882.20
  6. Step 6: Final answer
    x = 3,041.07

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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.