Home / 3,867.30-5,795.82-2,113.11

Finding the Fourth Proportional to 3,867.30, 5,795.82 and 2,113.11

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Solution

The fourth proportional to 3,867.30, 5,795.82 and 2,113.11 is: 3,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.30 : 5,795.82 = 2,113.11 : x
  2. Step 2: Convert to fraction form
    3,867.30/5,795.82 = 2,113.11/x
  3. Step 3: Cross multiply
    3,867.30x = 5,795.82 × 2,113.11
  4. Step 4: Simplify right side
    3,867.30x = 12,247,205.20
  5. Step 5: Solve for x
    x = 12,247,205.20/3,867.30
  6. Step 6: Final answer
    x = 3,166.86

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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.