Home / 2,778.86-4,170.99-1,546.85

Finding the Fourth Proportional to 2,778.86, 4,170.99 and 1,546.85

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Solution

The fourth proportional to 2,778.86, 4,170.99 and 1,546.85 is: 2,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.86 : 4,170.99 = 1,546.85 : x
  2. Step 2: Convert to fraction form
    2,778.86/4,170.99 = 1,546.85/x
  3. Step 3: Cross multiply
    2,778.86x = 4,170.99 × 1,546.85
  4. Step 4: Simplify right side
    2,778.86x = 6,451,895.88
  5. Step 5: Solve for x
    x = 6,451,895.88/2,778.86
  6. Step 6: Final answer
    x = 2,321.78

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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.