Home / 3,228.58-4,849.35-2,821.96

Finding the Fourth Proportional to 3,228.58, 4,849.35 and 2,821.96

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Solution

The fourth proportional to 3,228.58, 4,849.35 and 2,821.96 is: 4,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.58 : 4,849.35 = 2,821.96 : x
  2. Step 2: Convert to fraction form
    3,228.58/4,849.35 = 2,821.96/x
  3. Step 3: Cross multiply
    3,228.58x = 4,849.35 × 2,821.96
  4. Step 4: Simplify right side
    3,228.58x = 13,684,671.73
  5. Step 5: Solve for x
    x = 13,684,671.73/3,228.58
  6. Step 6: Final answer
    x = 4,238.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.