Home / 2,198.04-3,288.85-1,274.03

Finding the Fourth Proportional to 2,198.04, 3,288.85 and 1,274.03

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Solution

The fourth proportional to 2,198.04, 3,288.85 and 1,274.03 is: 1,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.04 : 3,288.85 = 1,274.03 : x
  2. Step 2: Convert to fraction form
    2,198.04/3,288.85 = 1,274.03/x
  3. Step 3: Cross multiply
    2,198.04x = 3,288.85 × 1,274.03
  4. Step 4: Simplify right side
    2,198.04x = 4,190,093.44
  5. Step 5: Solve for x
    x = 4,190,093.44/2,198.04
  6. Step 6: Final answer
    x = 1,906.29

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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.