Home / 2,791.28-3,851.97-1,532.35

Finding the Fourth Proportional to 2,791.28, 3,851.97 and 1,532.35

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Solution

The fourth proportional to 2,791.28, 3,851.97 and 1,532.35 is: 2,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.28 : 3,851.97 = 1,532.35 : x
  2. Step 2: Convert to fraction form
    2,791.28/3,851.97 = 1,532.35/x
  3. Step 3: Cross multiply
    2,791.28x = 3,851.97 × 1,532.35
  4. Step 4: Simplify right side
    2,791.28x = 5,902,558.57
  5. Step 5: Solve for x
    x = 5,902,558.57/2,791.28
  6. Step 6: Final answer
    x = 2,114.64

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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.