Home / 2,766.68-3,818.01-1,647.65

Finding the Fourth Proportional to 2,766.68, 3,818.01 and 1,647.65

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Solution

The fourth proportional to 2,766.68, 3,818.01 and 1,647.65 is: 2,273.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.68 : 3,818.01 = 1,647.65 : x
  2. Step 2: Convert to fraction form
    2,766.68/3,818.01 = 1,647.65/x
  3. Step 3: Cross multiply
    2,766.68x = 3,818.01 × 1,647.65
  4. Step 4: Simplify right side
    2,766.68x = 6,290,759.90
  5. Step 5: Solve for x
    x = 6,290,759.90/2,766.68
  6. Step 6: Final answer
    x = 2,273.76

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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.