Home / 3,771.27-5,654.85-1,305.89

Finding the Fourth Proportional to 3,771.27, 5,654.85 and 1,305.89

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Solution

The fourth proportional to 3,771.27, 5,654.85 and 1,305.89 is: 1,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.27 : 5,654.85 = 1,305.89 : x
  2. Step 2: Convert to fraction form
    3,771.27/5,654.85 = 1,305.89/x
  3. Step 3: Cross multiply
    3,771.27x = 5,654.85 × 1,305.89
  4. Step 4: Simplify right side
    3,771.27x = 7,384,583.79
  5. Step 5: Solve for x
    x = 7,384,583.79/3,771.27
  6. Step 6: Final answer
    x = 1,958.12

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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.