Home / 3,960.60-5,942.73-1,769.06

Finding the Fourth Proportional to 3,960.60, 5,942.73 and 1,769.06

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Solution

The fourth proportional to 3,960.60, 5,942.73 and 1,769.06 is: 2,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.60 : 5,942.73 = 1,769.06 : x
  2. Step 2: Convert to fraction form
    3,960.60/5,942.73 = 1,769.06/x
  3. Step 3: Cross multiply
    3,960.60x = 5,942.73 × 1,769.06
  4. Step 4: Simplify right side
    3,960.60x = 10,513,016.22
  5. Step 5: Solve for x
    x = 10,513,016.22/3,960.60
  6. Step 6: Final answer
    x = 2,654.40

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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.