Home / 3,226.69-4,453.77-2,107.79

Finding the Fourth Proportional to 3,226.69, 4,453.77 and 2,107.79

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Solution

The fourth proportional to 3,226.69, 4,453.77 and 2,107.79 is: 2,909.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.69 : 4,453.77 = 2,107.79 : x
  2. Step 2: Convert to fraction form
    3,226.69/4,453.77 = 2,107.79/x
  3. Step 3: Cross multiply
    3,226.69x = 4,453.77 × 2,107.79
  4. Step 4: Simplify right side
    3,226.69x = 9,387,611.87
  5. Step 5: Solve for x
    x = 9,387,611.87/3,226.69
  6. Step 6: Final answer
    x = 2,909.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.