Home / 3,228.95-4,456.05-2,286.43

Finding the Fourth Proportional to 3,228.95, 4,456.05 and 2,286.43

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Solution

The fourth proportional to 3,228.95, 4,456.05 and 2,286.43 is: 3,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.95 : 4,456.05 = 2,286.43 : x
  2. Step 2: Convert to fraction form
    3,228.95/4,456.05 = 2,286.43/x
  3. Step 3: Cross multiply
    3,228.95x = 4,456.05 × 2,286.43
  4. Step 4: Simplify right side
    3,228.95x = 10,188,446.40
  5. Step 5: Solve for x
    x = 10,188,446.40/3,228.95
  6. Step 6: Final answer
    x = 3,155.34

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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.