Home / 2,747.60-3,791.70-1,628.52

Finding the Fourth Proportional to 2,747.60, 3,791.70 and 1,628.52

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Solution

The fourth proportional to 2,747.60, 3,791.70 and 1,628.52 is: 2,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.60 : 3,791.70 = 1,628.52 : x
  2. Step 2: Convert to fraction form
    2,747.60/3,791.70 = 1,628.52/x
  3. Step 3: Cross multiply
    2,747.60x = 3,791.70 × 1,628.52
  4. Step 4: Simplify right side
    2,747.60x = 6,174,859.28
  5. Step 5: Solve for x
    x = 6,174,859.28/2,747.60
  6. Step 6: Final answer
    x = 2,247.36

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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.