Home / 2,193.50-3,026.97-1,198.75

Finding the Fourth Proportional to 2,193.50, 3,026.97 and 1,198.75

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Solution

The fourth proportional to 2,193.50, 3,026.97 and 1,198.75 is: 1,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.50 : 3,026.97 = 1,198.75 : x
  2. Step 2: Convert to fraction form
    2,193.50/3,026.97 = 1,198.75/x
  3. Step 3: Cross multiply
    2,193.50x = 3,026.97 × 1,198.75
  4. Step 4: Simplify right side
    2,193.50x = 3,628,572.72
  5. Step 5: Solve for x
    x = 3,628,572.72/2,193.50
  6. Step 6: Final answer
    x = 1,654.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.