Home / 3,229.05-4,842.20-1,226.42

Finding the Fourth Proportional to 3,229.05, 4,842.20 and 1,226.42

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Solution

The fourth proportional to 3,229.05, 4,842.20 and 1,226.42 is: 1,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.05 : 4,842.20 = 1,226.42 : x
  2. Step 2: Convert to fraction form
    3,229.05/4,842.20 = 1,226.42/x
  3. Step 3: Cross multiply
    3,229.05x = 4,842.20 × 1,226.42
  4. Step 4: Simplify right side
    3,229.05x = 5,938,595.17
  5. Step 5: Solve for x
    x = 5,938,595.17/3,229.05
  6. Step 6: Final answer
    x = 1,839.12

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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.