Home / 3,877.22-5,350.54-2,108.83

Finding the Fourth Proportional to 3,877.22, 5,350.54 and 2,108.83

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Solution

The fourth proportional to 3,877.22, 5,350.54 and 2,108.83 is: 2,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.22 : 5,350.54 = 2,108.83 : x
  2. Step 2: Convert to fraction form
    3,877.22/5,350.54 = 2,108.83/x
  3. Step 3: Cross multiply
    3,877.22x = 5,350.54 × 2,108.83
  4. Step 4: Simplify right side
    3,877.22x = 11,283,379.27
  5. Step 5: Solve for x
    x = 11,283,379.27/3,877.22
  6. Step 6: Final answer
    x = 2,910.17

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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.