Home / 3,849.20-5,769.30-2,207.30

Finding the Fourth Proportional to 3,849.20, 5,769.30 and 2,207.30

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Solution

The fourth proportional to 3,849.20, 5,769.30 and 2,207.30 is: 3,308.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.20 : 5,769.30 = 2,207.30 : x
  2. Step 2: Convert to fraction form
    3,849.20/5,769.30 = 2,207.30/x
  3. Step 3: Cross multiply
    3,849.20x = 5,769.30 × 2,207.30
  4. Step 4: Simplify right side
    3,849.20x = 12,734,575.89
  5. Step 5: Solve for x
    x = 12,734,575.89/3,849.20
  6. Step 6: Final answer
    x = 3,308.37

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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.