Home / 3,759.19-5,187.62-2,080.49

Finding the Fourth Proportional to 3,759.19, 5,187.62 and 2,080.49

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Solution

The fourth proportional to 3,759.19, 5,187.62 and 2,080.49 is: 2,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.19 : 5,187.62 = 2,080.49 : x
  2. Step 2: Convert to fraction form
    3,759.19/5,187.62 = 2,080.49/x
  3. Step 3: Cross multiply
    3,759.19x = 5,187.62 × 2,080.49
  4. Step 4: Simplify right side
    3,759.19x = 10,792,791.53
  5. Step 5: Solve for x
    x = 10,792,791.53/3,759.19
  6. Step 6: Final answer
    x = 2,871.05

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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.