Home / 3,849.20-5,765.70-3,201.20

Finding the Fourth Proportional to 3,849.20, 5,765.70 and 3,201.20

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Solution

The fourth proportional to 3,849.20, 5,765.70 and 3,201.20 is: 4,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.20 : 5,765.70 = 3,201.20 : x
  2. Step 2: Convert to fraction form
    3,849.20/5,765.70 = 3,201.20/x
  3. Step 3: Cross multiply
    3,849.20x = 5,765.70 × 3,201.20
  4. Step 4: Simplify right side
    3,849.20x = 18,457,158.84
  5. Step 5: Solve for x
    x = 18,457,158.84/3,849.20
  6. Step 6: Final answer
    x = 4,795.06

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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.