Home / 2,529.16-3,794.09-680.33

Finding the Fourth Proportional to 2,529.16, 3,794.09 and 680.33

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Solution

The fourth proportional to 2,529.16, 3,794.09 and 680.33 is: 1,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.16 : 3,794.09 = 680.33 : x
  2. Step 2: Convert to fraction form
    2,529.16/3,794.09 = 680.33/x
  3. Step 3: Cross multiply
    2,529.16x = 3,794.09 × 680.33
  4. Step 4: Simplify right side
    2,529.16x = 2,581,239.33
  5. Step 5: Solve for x
    x = 2,581,239.33/2,529.16
  6. Step 6: Final answer
    x = 1,020.59

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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.