Home / 3,180.20-4,767.60-1,233.76

Finding the Fourth Proportional to 3,180.20, 4,767.60 and 1,233.76

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Solution

The fourth proportional to 3,180.20, 4,767.60 and 1,233.76 is: 1,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.20 : 4,767.60 = 1,233.76 : x
  2. Step 2: Convert to fraction form
    3,180.20/4,767.60 = 1,233.76/x
  3. Step 3: Cross multiply
    3,180.20x = 4,767.60 × 1,233.76
  4. Step 4: Simplify right side
    3,180.20x = 5,882,074.18
  5. Step 5: Solve for x
    x = 5,882,074.18/3,180.20
  6. Step 6: Final answer
    x = 1,849.59

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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.