Home / 2,198.13-3,294.36-1,645.98

Finding the Fourth Proportional to 2,198.13, 3,294.36 and 1,645.98

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Solution

The fourth proportional to 2,198.13, 3,294.36 and 1,645.98 is: 2,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.13 : 3,294.36 = 1,645.98 : x
  2. Step 2: Convert to fraction form
    2,198.13/3,294.36 = 1,645.98/x
  3. Step 3: Cross multiply
    2,198.13x = 3,294.36 × 1,645.98
  4. Step 4: Simplify right side
    2,198.13x = 5,422,450.67
  5. Step 5: Solve for x
    x = 5,422,450.67/2,198.13
  6. Step 6: Final answer
    x = 2,466.85

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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.