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Finding the Fourth Proportional to 3,108.70, 4,662.08 and 1,028.24

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Solution

The fourth proportional to 3,108.70, 4,662.08 and 1,028.24 is: 1,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.70 : 4,662.08 = 1,028.24 : x
  2. Step 2: Convert to fraction form
    3,108.70/4,662.08 = 1,028.24/x
  3. Step 3: Cross multiply
    3,108.70x = 4,662.08 × 1,028.24
  4. Step 4: Simplify right side
    3,108.70x = 4,793,708.69
  5. Step 5: Solve for x
    x = 4,793,708.69/3,108.70
  6. Step 6: Final answer
    x = 1,542.03

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1.5x scale

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.