Home / 3,234.42-4,849.20-2,191.80

Finding the Fourth Proportional to 3,234.42, 4,849.20 and 2,191.80

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Solution

The fourth proportional to 3,234.42, 4,849.20 and 2,191.80 is: 3,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234.42 : 4,849.20 = 2,191.80 : x
  2. Step 2: Convert to fraction form
    3,234.42/4,849.20 = 2,191.80/x
  3. Step 3: Cross multiply
    3,234.42x = 4,849.20 × 2,191.80
  4. Step 4: Simplify right side
    3,234.42x = 10,628,476.56
  5. Step 5: Solve for x
    x = 10,628,476.56/3,234.42
  6. Step 6: Final answer
    x = 3,286.05

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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.