Home / 3,964.74-5,469.30-3,219.54

Finding the Fourth Proportional to 3,964.74, 5,469.30 and 3,219.54

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Solution

The fourth proportional to 3,964.74, 5,469.30 and 3,219.54 is: 4,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.74 : 5,469.30 = 3,219.54 : x
  2. Step 2: Convert to fraction form
    3,964.74/5,469.30 = 3,219.54/x
  3. Step 3: Cross multiply
    3,964.74x = 5,469.30 × 3,219.54
  4. Step 4: Simplify right side
    3,964.74x = 17,608,630.12
  5. Step 5: Solve for x
    x = 17,608,630.12/3,964.74
  6. Step 6: Final answer
    x = 4,441.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.