Home / 3,175.48-4,754.97-2,191.33

Finding the Fourth Proportional to 3,175.48, 4,754.97 and 2,191.33

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Solution

The fourth proportional to 3,175.48, 4,754.97 and 2,191.33 is: 3,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.48 : 4,754.97 = 2,191.33 : x
  2. Step 2: Convert to fraction form
    3,175.48/4,754.97 = 2,191.33/x
  3. Step 3: Cross multiply
    3,175.48x = 4,754.97 × 2,191.33
  4. Step 4: Simplify right side
    3,175.48x = 10,419,708.41
  5. Step 5: Solve for x
    x = 10,419,708.41/3,175.48
  6. Step 6: Final answer
    x = 3,281.30

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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.