Home / 3,675.38-5,080.22-3,176.92

Finding the Fourth Proportional to 3,675.38, 5,080.22 and 3,176.92

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Solution

The fourth proportional to 3,675.38, 5,080.22 and 3,176.92 is: 4,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.38 : 5,080.22 = 3,176.92 : x
  2. Step 2: Convert to fraction form
    3,675.38/5,080.22 = 3,176.92/x
  3. Step 3: Cross multiply
    3,675.38x = 5,080.22 × 3,176.92
  4. Step 4: Simplify right side
    3,675.38x = 16,139,454.90
  5. Step 5: Solve for x
    x = 16,139,454.90/3,675.38
  6. Step 6: Final answer
    x = 4,391.24

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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.