Home / 3,279.37-4,921.05-2,110.12

Finding the Fourth Proportional to 3,279.37, 4,921.05 and 2,110.12

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Solution

The fourth proportional to 3,279.37, 4,921.05 and 2,110.12 is: 3,166.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.37 : 4,921.05 = 2,110.12 : x
  2. Step 2: Convert to fraction form
    3,279.37/4,921.05 = 2,110.12/x
  3. Step 3: Cross multiply
    3,279.37x = 4,921.05 × 2,110.12
  4. Step 4: Simplify right side
    3,279.37x = 10,384,006.03
  5. Step 5: Solve for x
    x = 10,384,006.03/3,279.37
  6. Step 6: Final answer
    x = 3,166.46

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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.