Home / 3,228.96-4,454.82-1,902.36

Finding the Fourth Proportional to 3,228.96, 4,454.82 and 1,902.36

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Solution

The fourth proportional to 3,228.96, 4,454.82 and 1,902.36 is: 2,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.96 : 4,454.82 = 1,902.36 : x
  2. Step 2: Convert to fraction form
    3,228.96/4,454.82 = 1,902.36/x
  3. Step 3: Cross multiply
    3,228.96x = 4,454.82 × 1,902.36
  4. Step 4: Simplify right side
    3,228.96x = 8,474,671.38
  5. Step 5: Solve for x
    x = 8,474,671.38/3,228.96
  6. Step 6: Final answer
    x = 2,624.58

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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.