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Finding the Fourth Proportional to 3,576.78, 5,366.93 and 2,704.61

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Solution

The fourth proportional to 3,576.78, 5,366.93 and 2,704.61 is: 4,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.78 : 5,366.93 = 2,704.61 : x
  2. Step 2: Convert to fraction form
    3,576.78/5,366.93 = 2,704.61/x
  3. Step 3: Cross multiply
    3,576.78x = 5,366.93 × 2,704.61
  4. Step 4: Simplify right side
    3,576.78x = 14,515,412.19
  5. Step 5: Solve for x
    x = 14,515,412.19/3,576.78
  6. Step 6: Final answer
    x = 4,058.23

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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.