Home / 2,755.94-4,129.65-1,293.38

Finding the Fourth Proportional to 2,755.94, 4,129.65 and 1,293.38

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Solution

The fourth proportional to 2,755.94, 4,129.65 and 1,293.38 is: 1,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.94 : 4,129.65 = 1,293.38 : x
  2. Step 2: Convert to fraction form
    2,755.94/4,129.65 = 1,293.38/x
  3. Step 3: Cross multiply
    2,755.94x = 4,129.65 × 1,293.38
  4. Step 4: Simplify right side
    2,755.94x = 5,341,201.55
  5. Step 5: Solve for x
    x = 5,341,201.55/2,755.94
  6. Step 6: Final answer
    x = 1,938.07

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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.