Home / 2,842.46-3,922.66-1,631.34

Finding the Fourth Proportional to 2,842.46, 3,922.66 and 1,631.34

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Solution

The fourth proportional to 2,842.46, 3,922.66 and 1,631.34 is: 2,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.46 : 3,922.66 = 1,631.34 : x
  2. Step 2: Convert to fraction form
    2,842.46/3,922.66 = 1,631.34/x
  3. Step 3: Cross multiply
    2,842.46x = 3,922.66 × 1,631.34
  4. Step 4: Simplify right side
    2,842.46x = 6,399,194.20
  5. Step 5: Solve for x
    x = 6,399,194.20/2,842.46
  6. Step 6: Final answer
    x = 2,251.29

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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.