Home / 2,982.27-4,115.70-1,723.56

Finding the Fourth Proportional to 2,982.27, 4,115.70 and 1,723.56

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Solution

The fourth proportional to 2,982.27, 4,115.70 and 1,723.56 is: 2,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.27 : 4,115.70 = 1,723.56 : x
  2. Step 2: Convert to fraction form
    2,982.27/4,115.70 = 1,723.56/x
  3. Step 3: Cross multiply
    2,982.27x = 4,115.70 × 1,723.56
  4. Step 4: Simplify right side
    2,982.27x = 7,093,635.31
  5. Step 5: Solve for x
    x = 7,093,635.31/2,982.27
  6. Step 6: Final answer
    x = 2,378.61

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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.