Home / 3,144.45-4,716.66-1,845.21

Finding the Fourth Proportional to 3,144.45, 4,716.66 and 1,845.21

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Solution

The fourth proportional to 3,144.45, 4,716.66 and 1,845.21 is: 2,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.45 : 4,716.66 = 1,845.21 : x
  2. Step 2: Convert to fraction form
    3,144.45/4,716.66 = 1,845.21/x
  3. Step 3: Cross multiply
    3,144.45x = 4,716.66 × 1,845.21
  4. Step 4: Simplify right side
    3,144.45x = 8,703,228.20
  5. Step 5: Solve for x
    x = 8,703,228.20/3,144.45
  6. Step 6: Final answer
    x = 2,767.81

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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.