Home / 3,867.10-5,795.54-2,112.88

Finding the Fourth Proportional to 3,867.10, 5,795.54 and 2,112.88

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Solution

The fourth proportional to 3,867.10, 5,795.54 and 2,112.88 is: 3,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.10 : 5,795.54 = 2,112.88 : x
  2. Step 2: Convert to fraction form
    3,867.10/5,795.54 = 2,112.88/x
  3. Step 3: Cross multiply
    3,867.10x = 5,795.54 × 2,112.88
  4. Step 4: Simplify right side
    3,867.10x = 12,245,280.56
  5. Step 5: Solve for x
    x = 12,245,280.56/3,867.10
  6. Step 6: Final answer
    x = 3,166.53

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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.