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Finding the Fourth Proportional to 2,791.25, 3,851.93 and 1,549.25

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Solution

The fourth proportional to 2,791.25, 3,851.93 and 1,549.25 is: 2,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.25 : 3,851.93 = 1,549.25 : x
  2. Step 2: Convert to fraction form
    2,791.25/3,851.93 = 1,549.25/x
  3. Step 3: Cross multiply
    2,791.25x = 3,851.93 × 1,549.25
  4. Step 4: Simplify right side
    2,791.25x = 5,967,594.81
  5. Step 5: Solve for x
    x = 5,967,594.81/2,791.25
  6. Step 6: Final answer
    x = 2,137.97

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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.