Home / 2,226.29-3,334.37-2,157.84

Finding the Fourth Proportional to 2,226.29, 3,334.37 and 2,157.84

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Solution

The fourth proportional to 2,226.29, 3,334.37 and 2,157.84 is: 3,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.29 : 3,334.37 = 2,157.84 : x
  2. Step 2: Convert to fraction form
    2,226.29/3,334.37 = 2,157.84/x
  3. Step 3: Cross multiply
    2,226.29x = 3,334.37 × 2,157.84
  4. Step 4: Simplify right side
    2,226.29x = 7,195,026.17
  5. Step 5: Solve for x
    x = 7,195,026.17/2,226.29
  6. Step 6: Final answer
    x = 3,231.85

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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.