Home / 3,877.27-5,350.73-2,108.97

Finding the Fourth Proportional to 3,877.27, 5,350.73 and 2,108.97

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Solution

The fourth proportional to 3,877.27, 5,350.73 and 2,108.97 is: 2,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.27 : 5,350.73 = 2,108.97 : x
  2. Step 2: Convert to fraction form
    3,877.27/5,350.73 = 2,108.97/x
  3. Step 3: Cross multiply
    3,877.27x = 5,350.73 × 2,108.97
  4. Step 4: Simplify right side
    3,877.27x = 11,284,518.50
  5. Step 5: Solve for x
    x = 11,284,518.50/3,877.27
  6. Step 6: Final answer
    x = 2,910.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.