Home / 3,757.44-5,636.97-1,125.15

Finding the Fourth Proportional to 3,757.44, 5,636.97 and 1,125.15

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Solution

The fourth proportional to 3,757.44, 5,636.97 and 1,125.15 is: 1,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.44 : 5,636.97 = 1,125.15 : x
  2. Step 2: Convert to fraction form
    3,757.44/5,636.97 = 1,125.15/x
  3. Step 3: Cross multiply
    3,757.44x = 5,636.97 × 1,125.15
  4. Step 4: Simplify right side
    3,757.44x = 6,342,457.93
  5. Step 5: Solve for x
    x = 6,342,457.93/3,757.44
  6. Step 6: Final answer
    x = 1,687.97

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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.