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Finding the Fourth Proportional to 3,771.07, 5,656.60 and 1,304.54

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Solution

The fourth proportional to 3,771.07, 5,656.60 and 1,304.54 is: 1,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.07 : 5,656.60 = 1,304.54 : x
  2. Step 2: Convert to fraction form
    3,771.07/5,656.60 = 1,304.54/x
  3. Step 3: Cross multiply
    3,771.07x = 5,656.60 × 1,304.54
  4. Step 4: Simplify right side
    3,771.07x = 7,379,260.96
  5. Step 5: Solve for x
    x = 7,379,260.96/3,771.07
  6. Step 6: Final answer
    x = 1,956.81

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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.