Home / 2,069.25-3,104.19-1,191.61

Finding the Fourth Proportional to 2,069.25, 3,104.19 and 1,191.61

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Solution

The fourth proportional to 2,069.25, 3,104.19 and 1,191.61 is: 1,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.25 : 3,104.19 = 1,191.61 : x
  2. Step 2: Convert to fraction form
    2,069.25/3,104.19 = 1,191.61/x
  3. Step 3: Cross multiply
    2,069.25x = 3,104.19 × 1,191.61
  4. Step 4: Simplify right side
    2,069.25x = 3,698,987.73
  5. Step 5: Solve for x
    x = 3,698,987.73/2,069.25
  6. Step 6: Final answer
    x = 1,787.60

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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.