Home / 3,738.29-5,607.96-1,272.44

Finding the Fourth Proportional to 3,738.29, 5,607.96 and 1,272.44

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Solution

The fourth proportional to 3,738.29, 5,607.96 and 1,272.44 is: 1,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.29 : 5,607.96 = 1,272.44 : x
  2. Step 2: Convert to fraction form
    3,738.29/5,607.96 = 1,272.44/x
  3. Step 3: Cross multiply
    3,738.29x = 5,607.96 × 1,272.44
  4. Step 4: Simplify right side
    3,738.29x = 7,135,792.62
  5. Step 5: Solve for x
    x = 7,135,792.62/3,738.29
  6. Step 6: Final answer
    x = 1,908.84

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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.