Home / 3,245.81-4,868.72-2,092.37

Finding the Fourth Proportional to 3,245.81, 4,868.72 and 2,092.37

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Solution

The fourth proportional to 3,245.81, 4,868.72 and 2,092.37 is: 3,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.81 : 4,868.72 = 2,092.37 : x
  2. Step 2: Convert to fraction form
    3,245.81/4,868.72 = 2,092.37/x
  3. Step 3: Cross multiply
    3,245.81x = 4,868.72 × 2,092.37
  4. Step 4: Simplify right side
    3,245.81x = 10,187,153.20
  5. Step 5: Solve for x
    x = 10,187,153.20/3,245.81
  6. Step 6: Final answer
    x = 3,138.56

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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.