Home / 3,761.09-5,189.13-2,167.52

Finding the Fourth Proportional to 3,761.09, 5,189.13 and 2,167.52

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Solution

The fourth proportional to 3,761.09, 5,189.13 and 2,167.52 is: 2,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.09 : 5,189.13 = 2,167.52 : x
  2. Step 2: Convert to fraction form
    3,761.09/5,189.13 = 2,167.52/x
  3. Step 3: Cross multiply
    3,761.09x = 5,189.13 × 2,167.52
  4. Step 4: Simplify right side
    3,761.09x = 11,247,568.11
  5. Step 5: Solve for x
    x = 11,247,568.11/3,761.09
  6. Step 6: Final answer
    x = 2,990.51

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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.