Home / 2,747.08-3,791.50-2,148.38

Finding the Fourth Proportional to 2,747.08, 3,791.50 and 2,148.38

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Solution

The fourth proportional to 2,747.08, 3,791.50 and 2,148.38 is: 2,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.08 : 3,791.50 = 2,148.38 : x
  2. Step 2: Convert to fraction form
    2,747.08/3,791.50 = 2,148.38/x
  3. Step 3: Cross multiply
    2,747.08x = 3,791.50 × 2,148.38
  4. Step 4: Simplify right side
    2,747.08x = 8,145,594.93
  5. Step 5: Solve for x
    x = 8,145,594.93/2,747.08
  6. Step 6: Final answer
    x = 2,965.19

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1.5x scale

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.