Home / 2,486.12-3,726.30-2,198.12

Finding the Fourth Proportional to 2,486.12, 3,726.30 and 2,198.12

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Solution

The fourth proportional to 2,486.12, 3,726.30 and 2,198.12 is: 3,294.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.12 : 3,726.30 = 2,198.12 : x
  2. Step 2: Convert to fraction form
    2,486.12/3,726.30 = 2,198.12/x
  3. Step 3: Cross multiply
    2,486.12x = 3,726.30 × 2,198.12
  4. Step 4: Simplify right side
    2,486.12x = 8,190,854.56
  5. Step 5: Solve for x
    x = 8,190,854.56/2,486.12
  6. Step 6: Final answer
    x = 3,294.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.