Home / 3,198.63-4,798.09-1,251.28

Finding the Fourth Proportional to 3,198.63, 4,798.09 and 1,251.28

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Solution

The fourth proportional to 3,198.63, 4,798.09 and 1,251.28 is: 1,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.63 : 4,798.09 = 1,251.28 : x
  2. Step 2: Convert to fraction form
    3,198.63/4,798.09 = 1,251.28/x
  3. Step 3: Cross multiply
    3,198.63x = 4,798.09 × 1,251.28
  4. Step 4: Simplify right side
    3,198.63x = 6,003,754.06
  5. Step 5: Solve for x
    x = 6,003,754.06/3,198.63
  6. Step 6: Final answer
    x = 1,876.98

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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.