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Finding the Fourth Proportional to 3,198.43, 4,797.64 and 1,249.27

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Solution

The fourth proportional to 3,198.43, 4,797.64 and 1,249.27 is: 1,873.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.43 : 4,797.64 = 1,249.27 : x
  2. Step 2: Convert to fraction form
    3,198.43/4,797.64 = 1,249.27/x
  3. Step 3: Cross multiply
    3,198.43x = 4,797.64 × 1,249.27
  4. Step 4: Simplify right side
    3,198.43x = 5,993,531.81
  5. Step 5: Solve for x
    x = 5,993,531.81/3,198.43
  6. Step 6: Final answer
    x = 1,873.90

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1.5x scale

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.