Home / 3,759.26-5,187.65-2,080.74

Finding the Fourth Proportional to 3,759.26, 5,187.65 and 2,080.74

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Solution

The fourth proportional to 3,759.26, 5,187.65 and 2,080.74 is: 2,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.26 : 5,187.65 = 2,080.74 : x
  2. Step 2: Convert to fraction form
    3,759.26/5,187.65 = 2,080.74/x
  3. Step 3: Cross multiply
    3,759.26x = 5,187.65 × 2,080.74
  4. Step 4: Simplify right side
    3,759.26x = 10,794,114.52
  5. Step 5: Solve for x
    x = 10,794,114.52/3,759.26
  6. Step 6: Final answer
    x = 2,871.34

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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.