Home / 3,959.22-5,463.73-2,190.95

Finding the Fourth Proportional to 3,959.22, 5,463.73 and 2,190.95

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Solution

The fourth proportional to 3,959.22, 5,463.73 and 2,190.95 is: 3,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.22 : 5,463.73 = 2,190.95 : x
  2. Step 2: Convert to fraction form
    3,959.22/5,463.73 = 2,190.95/x
  3. Step 3: Cross multiply
    3,959.22x = 5,463.73 × 2,190.95
  4. Step 4: Simplify right side
    3,959.22x = 11,970,759.24
  5. Step 5: Solve for x
    x = 11,970,759.24/3,959.22
  6. Step 6: Final answer
    x = 3,023.51

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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.