Home / 2,218.97-3,321.52-1,634.63

Finding the Fourth Proportional to 2,218.97, 3,321.52 and 1,634.63

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Solution

The fourth proportional to 2,218.97, 3,321.52 and 1,634.63 is: 2,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.97 : 3,321.52 = 1,634.63 : x
  2. Step 2: Convert to fraction form
    2,218.97/3,321.52 = 1,634.63/x
  3. Step 3: Cross multiply
    2,218.97x = 3,321.52 × 1,634.63
  4. Step 4: Simplify right side
    2,218.97x = 5,429,456.53
  5. Step 5: Solve for x
    x = 5,429,456.53/2,218.97
  6. Step 6: Final answer
    x = 2,446.84

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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.