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Finding the Fourth Proportional to 3,198.89, 4,795.51 and 1,349.00

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Solution

The fourth proportional to 3,198.89, 4,795.51 and 1,349.00 is: 2,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.89 : 4,795.51 = 1,349.00 : x
  2. Step 2: Convert to fraction form
    3,198.89/4,795.51 = 1,349.00/x
  3. Step 3: Cross multiply
    3,198.89x = 4,795.51 × 1,349.00
  4. Step 4: Simplify right side
    3,198.89x = 6,469,112.27
  5. Step 5: Solve for x
    x = 6,469,112.27/3,198.89
  6. Step 6: Final answer
    x = 2,022.30

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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.