Home / 3,198.56-4,769.78-3,169.36

Finding the Fourth Proportional to 3,198.56, 4,769.78 and 3,169.36

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Solution

The fourth proportional to 3,198.56, 4,769.78 and 3,169.36 is: 4,726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.56 : 4,769.78 = 3,169.36 : x
  2. Step 2: Convert to fraction form
    3,198.56/4,769.78 = 3,169.36/x
  3. Step 3: Cross multiply
    3,198.56x = 4,769.78 × 3,169.36
  4. Step 4: Simplify right side
    3,198.56x = 15,117,149.94
  5. Step 5: Solve for x
    x = 15,117,149.94/3,198.56
  6. Step 6: Final answer
    x = 4,726.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.