Home / 2,791.19-3,851.79-1,796.48

Finding the Fourth Proportional to 2,791.19, 3,851.79 and 1,796.48

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Solution

The fourth proportional to 2,791.19, 3,851.79 and 1,796.48 is: 2,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.19 : 3,851.79 = 1,796.48 : x
  2. Step 2: Convert to fraction form
    2,791.19/3,851.79 = 1,796.48/x
  3. Step 3: Cross multiply
    2,791.19x = 3,851.79 × 1,796.48
  4. Step 4: Simplify right side
    2,791.19x = 6,919,652.15
  5. Step 5: Solve for x
    x = 6,919,652.15/2,791.19
  6. Step 6: Final answer
    x = 2,479.10

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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.