Home / 3,206.82-4,803.83-2,107.85

Finding the Fourth Proportional to 3,206.82, 4,803.83 and 2,107.85

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Solution

The fourth proportional to 3,206.82, 4,803.83 and 2,107.85 is: 3,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.82 : 4,803.83 = 2,107.85 : x
  2. Step 2: Convert to fraction form
    3,206.82/4,803.83 = 2,107.85/x
  3. Step 3: Cross multiply
    3,206.82x = 4,803.83 × 2,107.85
  4. Step 4: Simplify right side
    3,206.82x = 10,125,742.53
  5. Step 5: Solve for x
    x = 10,125,742.53/3,206.82
  6. Step 6: Final answer
    x = 3,157.56

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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.