Home / 2,313.12-3,474.45-2,213.31

Finding the Fourth Proportional to 2,313.12, 3,474.45 and 2,213.31

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Solution

The fourth proportional to 2,313.12, 3,474.45 and 2,213.31 is: 3,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.12 : 3,474.45 = 2,213.31 : x
  2. Step 2: Convert to fraction form
    2,313.12/3,474.45 = 2,213.31/x
  3. Step 3: Cross multiply
    2,313.12x = 3,474.45 × 2,213.31
  4. Step 4: Simplify right side
    2,313.12x = 7,690,034.93
  5. Step 5: Solve for x
    x = 7,690,034.93/2,313.12
  6. Step 6: Final answer
    x = 3,324.53

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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.