Home / 2,313.82-3,188.43-1,963.90

Finding the Fourth Proportional to 2,313.82, 3,188.43 and 1,963.90

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Solution

The fourth proportional to 2,313.82, 3,188.43 and 1,963.90 is: 2,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.82 : 3,188.43 = 1,963.90 : x
  2. Step 2: Convert to fraction form
    2,313.82/3,188.43 = 1,963.90/x
  3. Step 3: Cross multiply
    2,313.82x = 3,188.43 × 1,963.90
  4. Step 4: Simplify right side
    2,313.82x = 6,261,757.68
  5. Step 5: Solve for x
    x = 6,261,757.68/2,313.82
  6. Step 6: Final answer
    x = 2,706.24

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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.