Home / 3,198.72-4,799.40-1,736.16

Finding the Fourth Proportional to 3,198.72, 4,799.40 and 1,736.16

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Solution

The fourth proportional to 3,198.72, 4,799.40 and 1,736.16 is: 2,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.72 : 4,799.40 = 1,736.16 : x
  2. Step 2: Convert to fraction form
    3,198.72/4,799.40 = 1,736.16/x
  3. Step 3: Cross multiply
    3,198.72x = 4,799.40 × 1,736.16
  4. Step 4: Simplify right side
    3,198.72x = 8,332,526.30
  5. Step 5: Solve for x
    x = 8,332,526.30/3,198.72
  6. Step 6: Final answer
    x = 2,604.96

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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.