Home / 2,766.97-3,818.48-1,587.95

Finding the Fourth Proportional to 2,766.97, 3,818.48 and 1,587.95

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Solution

The fourth proportional to 2,766.97, 3,818.48 and 1,587.95 is: 2,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.97 : 3,818.48 = 1,587.95 : x
  2. Step 2: Convert to fraction form
    2,766.97/3,818.48 = 1,587.95/x
  3. Step 3: Cross multiply
    2,766.97x = 3,818.48 × 1,587.95
  4. Step 4: Simplify right side
    2,766.97x = 6,063,555.32
  5. Step 5: Solve for x
    x = 6,063,555.32/2,766.97
  6. Step 6: Final answer
    x = 2,191.41

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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.