Home / 3,735.82-5,153.43-2,318.62

Finding the Fourth Proportional to 3,735.82, 5,153.43 and 2,318.62

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Solution

The fourth proportional to 3,735.82, 5,153.43 and 2,318.62 is: 3,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.82 : 5,153.43 = 2,318.62 : x
  2. Step 2: Convert to fraction form
    3,735.82/5,153.43 = 2,318.62/x
  3. Step 3: Cross multiply
    3,735.82x = 5,153.43 × 2,318.62
  4. Step 4: Simplify right side
    3,735.82x = 11,948,845.87
  5. Step 5: Solve for x
    x = 11,948,845.87/3,735.82
  6. Step 6: Final answer
    x = 3,198.45

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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.