Home / 3,190.29-4,781.33-3,108.27

Finding the Fourth Proportional to 3,190.29, 4,781.33 and 3,108.27

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Solution

The fourth proportional to 3,190.29, 4,781.33 and 3,108.27 is: 4,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.29 : 4,781.33 = 3,108.27 : x
  2. Step 2: Convert to fraction form
    3,190.29/4,781.33 = 3,108.27/x
  3. Step 3: Cross multiply
    3,190.29x = 4,781.33 × 3,108.27
  4. Step 4: Simplify right side
    3,190.29x = 14,861,678.64
  5. Step 5: Solve for x
    x = 14,861,678.64/3,190.29
  6. Step 6: Final answer
    x = 4,658.42

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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.