Home / 3,228.35-4,453.47-2,109.94

Finding the Fourth Proportional to 3,228.35, 4,453.47 and 2,109.94

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Solution

The fourth proportional to 3,228.35, 4,453.47 and 2,109.94 is: 2,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.35 : 4,453.47 = 2,109.94 : x
  2. Step 2: Convert to fraction form
    3,228.35/4,453.47 = 2,109.94/x
  3. Step 3: Cross multiply
    3,228.35x = 4,453.47 × 2,109.94
  4. Step 4: Simplify right side
    3,228.35x = 9,396,554.49
  5. Step 5: Solve for x
    x = 9,396,554.49/3,228.35
  6. Step 6: Final answer
    x = 2,910.64

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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.