Home / 2,788.53-4,191.92-2,766.66

Finding the Fourth Proportional to 2,788.53, 4,191.92 and 2,766.66

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Solution

The fourth proportional to 2,788.53, 4,191.92 and 2,766.66 is: 4,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.53 : 4,191.92 = 2,766.66 : x
  2. Step 2: Convert to fraction form
    2,788.53/4,191.92 = 2,766.66/x
  3. Step 3: Cross multiply
    2,788.53x = 4,191.92 × 2,766.66
  4. Step 4: Simplify right side
    2,788.53x = 11,597,603.55
  5. Step 5: Solve for x
    x = 11,597,603.55/2,788.53
  6. Step 6: Final answer
    x = 4,159.04

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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.