Home / 3,441.05-5,161.58-843.99

Finding the Fourth Proportional to 3,441.05, 5,161.58 and 843.99

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Solution

The fourth proportional to 3,441.05, 5,161.58 and 843.99 is: 1,265.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.05 : 5,161.58 = 843.99 : x
  2. Step 2: Convert to fraction form
    3,441.05/5,161.58 = 843.99/x
  3. Step 3: Cross multiply
    3,441.05x = 5,161.58 × 843.99
  4. Step 4: Simplify right side
    3,441.05x = 4,356,317.68
  5. Step 5: Solve for x
    x = 4,356,317.68/3,441.05
  6. Step 6: Final answer
    x = 1,265.99

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1.5x scale

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.