Home / 3,108.68-4,659.74-1,028.15

Finding the Fourth Proportional to 3,108.68, 4,659.74 and 1,028.15

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Solution

The fourth proportional to 3,108.68, 4,659.74 and 1,028.15 is: 1,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.68 : 4,659.74 = 1,028.15 : x
  2. Step 2: Convert to fraction form
    3,108.68/4,659.74 = 1,028.15/x
  3. Step 3: Cross multiply
    3,108.68x = 4,659.74 × 1,028.15
  4. Step 4: Simplify right side
    3,108.68x = 4,790,906.54
  5. Step 5: Solve for x
    x = 4,790,906.54/3,108.68
  6. Step 6: Final answer
    x = 1,541.14

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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.