Home / 3,883.30-5,353.95-2,822.61

Finding the Fourth Proportional to 3,883.30, 5,353.95 and 2,822.61

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Solution

The fourth proportional to 3,883.30, 5,353.95 and 2,822.61 is: 3,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.30 : 5,353.95 = 2,822.61 : x
  2. Step 2: Convert to fraction form
    3,883.30/5,353.95 = 2,822.61/x
  3. Step 3: Cross multiply
    3,883.30x = 5,353.95 × 2,822.61
  4. Step 4: Simplify right side
    3,883.30x = 15,112,112.81
  5. Step 5: Solve for x
    x = 15,112,112.81/3,883.30
  6. Step 6: Final answer
    x = 3,891.56

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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.