Home / 2,828.64-4,240.20-1,366.96

Finding the Fourth Proportional to 2,828.64, 4,240.20 and 1,366.96

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Solution

The fourth proportional to 2,828.64, 4,240.20 and 1,366.96 is: 2,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.64 : 4,240.20 = 1,366.96 : x
  2. Step 2: Convert to fraction form
    2,828.64/4,240.20 = 1,366.96/x
  3. Step 3: Cross multiply
    2,828.64x = 4,240.20 × 1,366.96
  4. Step 4: Simplify right side
    2,828.64x = 5,796,183.79
  5. Step 5: Solve for x
    x = 5,796,183.79/2,828.64
  6. Step 6: Final answer
    x = 2,049.11

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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.