Home / 3,366.20-5,049.26-1,392.89

Finding the Fourth Proportional to 3,366.20, 5,049.26 and 1,392.89

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Solution

The fourth proportional to 3,366.20, 5,049.26 and 1,392.89 is: 2,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.20 : 5,049.26 = 1,392.89 : x
  2. Step 2: Convert to fraction form
    3,366.20/5,049.26 = 1,392.89/x
  3. Step 3: Cross multiply
    3,366.20x = 5,049.26 × 1,392.89
  4. Step 4: Simplify right side
    3,366.20x = 7,033,063.76
  5. Step 5: Solve for x
    x = 7,033,063.76/3,366.20
  6. Step 6: Final answer
    x = 2,089.32

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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.