Home / 3,198.72-4,797.36-1,008.12

Finding the Fourth Proportional to 3,198.72, 4,797.36 and 1,008.12

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Solution

The fourth proportional to 3,198.72, 4,797.36 and 1,008.12 is: 1,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.72 : 4,797.36 = 1,008.12 : x
  2. Step 2: Convert to fraction form
    3,198.72/4,797.36 = 1,008.12/x
  3. Step 3: Cross multiply
    3,198.72x = 4,797.36 × 1,008.12
  4. Step 4: Simplify right side
    3,198.72x = 4,836,314.56
  5. Step 5: Solve for x
    x = 4,836,314.56/3,198.72
  6. Step 6: Final answer
    x = 1,511.95

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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.