Home / 3,228.96-4,453.44-2,108.80

Finding the Fourth Proportional to 3,228.96, 4,453.44 and 2,108.80

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Solution

The fourth proportional to 3,228.96, 4,453.44 and 2,108.80 is: 2,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.96 : 4,453.44 = 2,108.80 : x
  2. Step 2: Convert to fraction form
    3,228.96/4,453.44 = 2,108.80/x
  3. Step 3: Cross multiply
    3,228.96x = 4,453.44 × 2,108.80
  4. Step 4: Simplify right side
    3,228.96x = 9,391,414.27
  5. Step 5: Solve for x
    x = 9,391,414.27/3,228.96
  6. Step 6: Final answer
    x = 2,908.50

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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.