Home / 3,805.43-5,708.15-1,172.85

Finding the Fourth Proportional to 3,805.43, 5,708.15 and 1,172.85

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Solution

The fourth proportional to 3,805.43, 5,708.15 and 1,172.85 is: 1,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.43 : 5,708.15 = 1,172.85 : x
  2. Step 2: Convert to fraction form
    3,805.43/5,708.15 = 1,172.85/x
  3. Step 3: Cross multiply
    3,805.43x = 5,708.15 × 1,172.85
  4. Step 4: Simplify right side
    3,805.43x = 6,694,799.52
  5. Step 5: Solve for x
    x = 6,694,799.52/3,805.43
  6. Step 6: Final answer
    x = 1,759.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.