Home / 2,766.66-3,818.07-1,587.96

Finding the Fourth Proportional to 2,766.66, 3,818.07 and 1,587.96

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Solution

The fourth proportional to 2,766.66, 3,818.07 and 1,587.96 is: 2,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.66 : 3,818.07 = 1,587.96 : x
  2. Step 2: Convert to fraction form
    2,766.66/3,818.07 = 1,587.96/x
  3. Step 3: Cross multiply
    2,766.66x = 3,818.07 × 1,587.96
  4. Step 4: Simplify right side
    2,766.66x = 6,062,942.44
  5. Step 5: Solve for x
    x = 6,062,942.44/2,766.66
  6. Step 6: Final answer
    x = 2,191.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.