Home / 2,838.42-3,917.25-1,791.54

Finding the Fourth Proportional to 2,838.42, 3,917.25 and 1,791.54

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Solution

The fourth proportional to 2,838.42, 3,917.25 and 1,791.54 is: 2,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.42 : 3,917.25 = 1,791.54 : x
  2. Step 2: Convert to fraction form
    2,838.42/3,917.25 = 1,791.54/x
  3. Step 3: Cross multiply
    2,838.42x = 3,917.25 × 1,791.54
  4. Step 4: Simplify right side
    2,838.42x = 7,017,910.07
  5. Step 5: Solve for x
    x = 7,017,910.07/2,838.42
  6. Step 6: Final answer
    x = 2,472.47

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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.