Home / 3,161.37-4,362.08-2,691.03

Finding the Fourth Proportional to 3,161.37, 4,362.08 and 2,691.03

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Solution

The fourth proportional to 3,161.37, 4,362.08 and 2,691.03 is: 3,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.37 : 4,362.08 = 2,691.03 : x
  2. Step 2: Convert to fraction form
    3,161.37/4,362.08 = 2,691.03/x
  3. Step 3: Cross multiply
    3,161.37x = 4,362.08 × 2,691.03
  4. Step 4: Simplify right side
    3,161.37x = 11,738,474.69
  5. Step 5: Solve for x
    x = 11,738,474.69/3,161.37
  6. Step 6: Final answer
    x = 3,713.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.