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Finding the Fourth Proportional to 3,956.73, 5,935.11 and 1,490.89

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Solution

The fourth proportional to 3,956.73, 5,935.11 and 1,490.89 is: 2,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.73 : 5,935.11 = 1,490.89 : x
  2. Step 2: Convert to fraction form
    3,956.73/5,935.11 = 1,490.89/x
  3. Step 3: Cross multiply
    3,956.73x = 5,935.11 × 1,490.89
  4. Step 4: Simplify right side
    3,956.73x = 8,848,581.31
  5. Step 5: Solve for x
    x = 8,848,581.31/3,956.73
  6. Step 6: Final answer
    x = 2,236.34

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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.