Home / 3,738.44-5,608.07-1,272.80

Finding the Fourth Proportional to 3,738.44, 5,608.07 and 1,272.80

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Solution

The fourth proportional to 3,738.44, 5,608.07 and 1,272.80 is: 1,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.44 : 5,608.07 = 1,272.80 : x
  2. Step 2: Convert to fraction form
    3,738.44/5,608.07 = 1,272.80/x
  3. Step 3: Cross multiply
    3,738.44x = 5,608.07 × 1,272.80
  4. Step 4: Simplify right side
    3,738.44x = 7,137,917.09
  5. Step 5: Solve for x
    x = 7,137,917.09/3,738.44
  6. Step 6: Final answer
    x = 1,909.33

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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.