Home / 3,171.29-4,757.48-1,091.51

Finding the Fourth Proportional to 3,171.29, 4,757.48 and 1,091.51

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Solution

The fourth proportional to 3,171.29, 4,757.48 and 1,091.51 is: 1,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.29 : 4,757.48 = 1,091.51 : x
  2. Step 2: Convert to fraction form
    3,171.29/4,757.48 = 1,091.51/x
  3. Step 3: Cross multiply
    3,171.29x = 4,757.48 × 1,091.51
  4. Step 4: Simplify right side
    3,171.29x = 5,192,836.99
  5. Step 5: Solve for x
    x = 5,192,836.99/3,171.29
  6. Step 6: Final answer
    x = 1,637.45

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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.