Home / 2,791.14-3,851.96-1,845.28

Finding the Fourth Proportional to 2,791.14, 3,851.96 and 1,845.28

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Solution

The fourth proportional to 2,791.14, 3,851.96 and 1,845.28 is: 2,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.14 : 3,851.96 = 1,845.28 : x
  2. Step 2: Convert to fraction form
    2,791.14/3,851.96 = 1,845.28/x
  3. Step 3: Cross multiply
    2,791.14x = 3,851.96 × 1,845.28
  4. Step 4: Simplify right side
    2,791.14x = 7,107,965.01
  5. Step 5: Solve for x
    x = 7,107,965.01/2,791.14
  6. Step 6: Final answer
    x = 2,546.62

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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.