Home / 3,759.26-5,186.97-2,186.51

Finding the Fourth Proportional to 3,759.26, 5,186.97 and 2,186.51

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Solution

The fourth proportional to 3,759.26, 5,186.97 and 2,186.51 is: 3,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.26 : 5,186.97 = 2,186.51 : x
  2. Step 2: Convert to fraction form
    3,759.26/5,186.97 = 2,186.51/x
  3. Step 3: Cross multiply
    3,759.26x = 5,186.97 × 2,186.51
  4. Step 4: Simplify right side
    3,759.26x = 11,341,335.84
  5. Step 5: Solve for x
    x = 11,341,335.84/3,759.26
  6. Step 6: Final answer
    x = 3,016.91

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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.