Home / 3,198.71-4,799.39-1,252.28

Finding the Fourth Proportional to 3,198.71, 4,799.39 and 1,252.28

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Solution

The fourth proportional to 3,198.71, 4,799.39 and 1,252.28 is: 1,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.71 : 4,799.39 = 1,252.28 : x
  2. Step 2: Convert to fraction form
    3,198.71/4,799.39 = 1,252.28/x
  3. Step 3: Cross multiply
    3,198.71x = 4,799.39 × 1,252.28
  4. Step 4: Simplify right side
    3,198.71x = 6,010,185.85
  5. Step 5: Solve for x
    x = 6,010,185.85/3,198.71
  6. Step 6: Final answer
    x = 1,878.94

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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.