Home / 1,892.26-2,612.97-1,273.06

Finding the Fourth Proportional to 1,892.26, 2,612.97 and 1,273.06

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Solution

The fourth proportional to 1,892.26, 2,612.97 and 1,273.06 is: 1,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.26 : 2,612.97 = 1,273.06 : x
  2. Step 2: Convert to fraction form
    1,892.26/2,612.97 = 1,273.06/x
  3. Step 3: Cross multiply
    1,892.26x = 2,612.97 × 1,273.06
  4. Step 4: Simplify right side
    1,892.26x = 3,326,467.59
  5. Step 5: Solve for x
    x = 3,326,467.59/1,892.26
  6. Step 6: Final answer
    x = 1,757.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.