Home / 2,755.07-4,133.21-1,293.42

Finding the Fourth Proportional to 2,755.07, 4,133.21 and 1,293.42

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Solution

The fourth proportional to 2,755.07, 4,133.21 and 1,293.42 is: 1,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.07 : 4,133.21 = 1,293.42 : x
  2. Step 2: Convert to fraction form
    2,755.07/4,133.21 = 1,293.42/x
  3. Step 3: Cross multiply
    2,755.07x = 4,133.21 × 1,293.42
  4. Step 4: Simplify right side
    2,755.07x = 5,345,976.48
  5. Step 5: Solve for x
    x = 5,345,976.48/2,755.07
  6. Step 6: Final answer
    x = 1,940.41

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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.