Home / 2,198.98-3,293.27-1,908.85

Finding the Fourth Proportional to 2,198.98, 3,293.27 and 1,908.85

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Solution

The fourth proportional to 2,198.98, 3,293.27 and 1,908.85 is: 2,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.98 : 3,293.27 = 1,908.85 : x
  2. Step 2: Convert to fraction form
    2,198.98/3,293.27 = 1,908.85/x
  3. Step 3: Cross multiply
    2,198.98x = 3,293.27 × 1,908.85
  4. Step 4: Simplify right side
    2,198.98x = 6,286,332.43
  5. Step 5: Solve for x
    x = 6,286,332.43/2,198.98
  6. Step 6: Final answer
    x = 2,858.75

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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.