Home / 3,320.08-4,981.26-2,086.04

Finding the Fourth Proportional to 3,320.08, 4,981.26 and 2,086.04

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Solution

The fourth proportional to 3,320.08, 4,981.26 and 2,086.04 is: 3,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.08 : 4,981.26 = 2,086.04 : x
  2. Step 2: Convert to fraction form
    3,320.08/4,981.26 = 2,086.04/x
  3. Step 3: Cross multiply
    3,320.08x = 4,981.26 × 2,086.04
  4. Step 4: Simplify right side
    3,320.08x = 10,391,120.06
  5. Step 5: Solve for x
    x = 10,391,120.06/3,320.08
  6. Step 6: Final answer
    x = 3,129.78

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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.