Home / 2,163.24-3,241.78-1,674

Finding the Fourth Proportional to 2,163.24, 3,241.78 and 1,674

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Solution

The fourth proportional to 2,163.24, 3,241.78 and 1,674 is: 2,508.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.24 : 3,241.78 = 1,674 : x
  2. Step 2: Convert to fraction form
    2,163.24/3,241.78 = 1,674/x
  3. Step 3: Cross multiply
    2,163.24x = 3,241.78 × 1,674
  4. Step 4: Simplify right side
    2,163.24x = 5,426,739.72
  5. Step 5: Solve for x
    x = 5,426,739.72/2,163.24
  6. Step 6: Final answer
    x = 2,508.62

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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.