Home / 2,257.12-3,383.34-1,392.04

Finding the Fourth Proportional to 2,257.12, 3,383.34 and 1,392.04

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Solution

The fourth proportional to 2,257.12, 3,383.34 and 1,392.04 is: 2,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.12 : 3,383.34 = 1,392.04 : x
  2. Step 2: Convert to fraction form
    2,257.12/3,383.34 = 1,392.04/x
  3. Step 3: Cross multiply
    2,257.12x = 3,383.34 × 1,392.04
  4. Step 4: Simplify right side
    2,257.12x = 4,709,744.61
  5. Step 5: Solve for x
    x = 4,709,744.61/2,257.12
  6. Step 6: Final answer
    x = 2,086.62

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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.