Home / 3,227.60-4,829.18-1,912.06

Finding the Fourth Proportional to 3,227.60, 4,829.18 and 1,912.06

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Solution

The fourth proportional to 3,227.60, 4,829.18 and 1,912.06 is: 2,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.60 : 4,829.18 = 1,912.06 : x
  2. Step 2: Convert to fraction form
    3,227.60/4,829.18 = 1,912.06/x
  3. Step 3: Cross multiply
    3,227.60x = 4,829.18 × 1,912.06
  4. Step 4: Simplify right side
    3,227.60x = 9,233,671.03
  5. Step 5: Solve for x
    x = 9,233,671.03/3,227.60
  6. Step 6: Final answer
    x = 2,860.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.