Home / 3,442.72-5,161.92-2,271.48

Finding the Fourth Proportional to 3,442.72, 5,161.92 and 2,271.48

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Solution

The fourth proportional to 3,442.72, 5,161.92 and 2,271.48 is: 3,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.72 : 5,161.92 = 2,271.48 : x
  2. Step 2: Convert to fraction form
    3,442.72/5,161.92 = 2,271.48/x
  3. Step 3: Cross multiply
    3,442.72x = 5,161.92 × 2,271.48
  4. Step 4: Simplify right side
    3,442.72x = 11,725,198.04
  5. Step 5: Solve for x
    x = 11,725,198.04/3,442.72
  6. Step 6: Final answer
    x = 3,405.79

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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.