Home / 2,747.88-3,791.57-1,628.86

Finding the Fourth Proportional to 2,747.88, 3,791.57 and 1,628.86

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Solution

The fourth proportional to 2,747.88, 3,791.57 and 1,628.86 is: 2,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.88 : 3,791.57 = 1,628.86 : x
  2. Step 2: Convert to fraction form
    2,747.88/3,791.57 = 1,628.86/x
  3. Step 3: Cross multiply
    2,747.88x = 3,791.57 × 1,628.86
  4. Step 4: Simplify right side
    2,747.88x = 6,175,936.71
  5. Step 5: Solve for x
    x = 6,175,936.71/2,747.88
  6. Step 6: Final answer
    x = 2,247.53

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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.