Home / 2,755.26-4,131.99-1,293.48

Finding the Fourth Proportional to 2,755.26, 4,131.99 and 1,293.48

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Solution

The fourth proportional to 2,755.26, 4,131.99 and 1,293.48 is: 1,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.26 : 4,131.99 = 1,293.48 : x
  2. Step 2: Convert to fraction form
    2,755.26/4,131.99 = 1,293.48/x
  3. Step 3: Cross multiply
    2,755.26x = 4,131.99 × 1,293.48
  4. Step 4: Simplify right side
    2,755.26x = 5,344,646.43
  5. Step 5: Solve for x
    x = 5,344,646.43/2,755.26
  6. Step 6: Final answer
    x = 1,939.80

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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.