Home / 3,078.27-4,618.35-2,751.57

Finding the Fourth Proportional to 3,078.27, 4,618.35 and 2,751.57

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Solution

The fourth proportional to 3,078.27, 4,618.35 and 2,751.57 is: 4,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.27 : 4,618.35 = 2,751.57 : x
  2. Step 2: Convert to fraction form
    3,078.27/4,618.35 = 2,751.57/x
  3. Step 3: Cross multiply
    3,078.27x = 4,618.35 × 2,751.57
  4. Step 4: Simplify right side
    3,078.27x = 12,707,713.31
  5. Step 5: Solve for x
    x = 12,707,713.31/3,078.27
  6. Step 6: Final answer
    x = 4,128.20

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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.