Home / 2,334.82-3,222.68-1,390.96

Finding the Fourth Proportional to 2,334.82, 3,222.68 and 1,390.96

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Solution

The fourth proportional to 2,334.82, 3,222.68 and 1,390.96 is: 1,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.82 : 3,222.68 = 1,390.96 : x
  2. Step 2: Convert to fraction form
    2,334.82/3,222.68 = 1,390.96/x
  3. Step 3: Cross multiply
    2,334.82x = 3,222.68 × 1,390.96
  4. Step 4: Simplify right side
    2,334.82x = 4,482,618.97
  5. Step 5: Solve for x
    x = 4,482,618.97/2,334.82
  6. Step 6: Final answer
    x = 1,919.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.