Home / 3,279.22-4,914.65-2,108.77

Finding the Fourth Proportional to 3,279.22, 4,914.65 and 2,108.77

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Solution

The fourth proportional to 3,279.22, 4,914.65 and 2,108.77 is: 3,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.22 : 4,914.65 = 2,108.77 : x
  2. Step 2: Convert to fraction form
    3,279.22/4,914.65 = 2,108.77/x
  3. Step 3: Cross multiply
    3,279.22x = 4,914.65 × 2,108.77
  4. Step 4: Simplify right side
    3,279.22x = 10,363,855.94
  5. Step 5: Solve for x
    x = 10,363,855.94/3,279.22
  6. Step 6: Final answer
    x = 3,160.46

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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.