Home / 3,171.38-4,757.07-1,091.36

Finding the Fourth Proportional to 3,171.38, 4,757.07 and 1,091.36

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Solution

The fourth proportional to 3,171.38, 4,757.07 and 1,091.36 is: 1,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.38 : 4,757.07 = 1,091.36 : x
  2. Step 2: Convert to fraction form
    3,171.38/4,757.07 = 1,091.36/x
  3. Step 3: Cross multiply
    3,171.38x = 4,757.07 × 1,091.36
  4. Step 4: Simplify right side
    3,171.38x = 5,191,652.13
  5. Step 5: Solve for x
    x = 5,191,652.13/3,171.38
  6. Step 6: Final answer
    x = 1,637.04

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1.5x scale

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.