Home / 3,845.70-5,768.82-1,654.56

Finding the Fourth Proportional to 3,845.70, 5,768.82 and 1,654.56

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Solution

The fourth proportional to 3,845.70, 5,768.82 and 1,654.56 is: 2,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.70 : 5,768.82 = 1,654.56 : x
  2. Step 2: Convert to fraction form
    3,845.70/5,768.82 = 1,654.56/x
  3. Step 3: Cross multiply
    3,845.70x = 5,768.82 × 1,654.56
  4. Step 4: Simplify right side
    3,845.70x = 9,544,858.82
  5. Step 5: Solve for x
    x = 9,544,858.82/3,845.70
  6. Step 6: Final answer
    x = 2,481.96

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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.