Home / 3,108.06-4,662.66-1,028.15

Finding the Fourth Proportional to 3,108.06, 4,662.66 and 1,028.15

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Solution

The fourth proportional to 3,108.06, 4,662.66 and 1,028.15 is: 1,542.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.06 : 4,662.66 = 1,028.15 : x
  2. Step 2: Convert to fraction form
    3,108.06/4,662.66 = 1,028.15/x
  3. Step 3: Cross multiply
    3,108.06x = 4,662.66 × 1,028.15
  4. Step 4: Simplify right side
    3,108.06x = 4,793,890.57
  5. Step 5: Solve for x
    x = 4,793,890.57/3,108.06
  6. Step 6: Final answer
    x = 1,542.41

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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.