Home / 3,754.26-5,180.33-2,139.19

Finding the Fourth Proportional to 3,754.26, 5,180.33 and 2,139.19

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Solution

The fourth proportional to 3,754.26, 5,180.33 and 2,139.19 is: 2,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.26 : 5,180.33 = 2,139.19 : x
  2. Step 2: Convert to fraction form
    3,754.26/5,180.33 = 2,139.19/x
  3. Step 3: Cross multiply
    3,754.26x = 5,180.33 × 2,139.19
  4. Step 4: Simplify right side
    3,754.26x = 11,081,673.54
  5. Step 5: Solve for x
    x = 11,081,673.54/3,754.26
  6. Step 6: Final answer
    x = 2,951.76

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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.