Home / 3,198.96-4,783.68-2,377.80

Finding the Fourth Proportional to 3,198.96, 4,783.68 and 2,377.80

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Solution

The fourth proportional to 3,198.96, 4,783.68 and 2,377.80 is: 3,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.96 : 4,783.68 = 2,377.80 : x
  2. Step 2: Convert to fraction form
    3,198.96/4,783.68 = 2,377.80/x
  3. Step 3: Cross multiply
    3,198.96x = 4,783.68 × 2,377.80
  4. Step 4: Simplify right side
    3,198.96x = 11,374,634.30
  5. Step 5: Solve for x
    x = 11,374,634.30/3,198.96
  6. Step 6: Final answer
    x = 3,555.73

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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.