Home / 3,275.42-4,912.11-1,083.69

Finding the Fourth Proportional to 3,275.42, 4,912.11 and 1,083.69

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Solution

The fourth proportional to 3,275.42, 4,912.11 and 1,083.69 is: 1,625.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.42 : 4,912.11 = 1,083.69 : x
  2. Step 2: Convert to fraction form
    3,275.42/4,912.11 = 1,083.69/x
  3. Step 3: Cross multiply
    3,275.42x = 4,912.11 × 1,083.69
  4. Step 4: Simplify right side
    3,275.42x = 5,323,204.49
  5. Step 5: Solve for x
    x = 5,323,204.49/3,275.42
  6. Step 6: Final answer
    x = 1,625.20

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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.