Home / 1,446.31-2,163.21-851.92

Finding the Fourth Proportional to 1,446.31, 2,163.21 and 851.92

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Solution

The fourth proportional to 1,446.31, 2,163.21 and 851.92 is: 1,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.31 : 2,163.21 = 851.92 : x
  2. Step 2: Convert to fraction form
    1,446.31/2,163.21 = 851.92/x
  3. Step 3: Cross multiply
    1,446.31x = 2,163.21 × 851.92
  4. Step 4: Simplify right side
    1,446.31x = 1,842,872.08
  5. Step 5: Solve for x
    x = 1,842,872.08/1,446.31
  6. Step 6: Final answer
    x = 1,274.19

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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.