Home / 3,255.20-4,882.80-2,101.76

Finding the Fourth Proportional to 3,255.20, 4,882.80 and 2,101.76

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Solution

The fourth proportional to 3,255.20, 4,882.80 and 2,101.76 is: 3,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.20 : 4,882.80 = 2,101.76 : x
  2. Step 2: Convert to fraction form
    3,255.20/4,882.80 = 2,101.76/x
  3. Step 3: Cross multiply
    3,255.20x = 4,882.80 × 2,101.76
  4. Step 4: Simplify right side
    3,255.20x = 10,262,473.73
  5. Step 5: Solve for x
    x = 10,262,473.73/3,255.20
  6. Step 6: Final answer
    x = 3,152.64

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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.