Home / 3,198.14-4,798.38-1,349.72

Finding the Fourth Proportional to 3,198.14, 4,798.38 and 1,349.72

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Solution

The fourth proportional to 3,198.14, 4,798.38 and 1,349.72 is: 2,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.14 : 4,798.38 = 1,349.72 : x
  2. Step 2: Convert to fraction form
    3,198.14/4,798.38 = 1,349.72/x
  3. Step 3: Cross multiply
    3,198.14x = 4,798.38 × 1,349.72
  4. Step 4: Simplify right side
    3,198.14x = 6,476,469.45
  5. Step 5: Solve for x
    x = 6,476,469.45/3,198.14
  6. Step 6: Final answer
    x = 2,025.07

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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.