Home / 3,825.57-5,738.62-1,228.35

Finding the Fourth Proportional to 3,825.57, 5,738.62 and 1,228.35

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Solution

The fourth proportional to 3,825.57, 5,738.62 and 1,228.35 is: 1,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.57 : 5,738.62 = 1,228.35 : x
  2. Step 2: Convert to fraction form
    3,825.57/5,738.62 = 1,228.35/x
  3. Step 3: Cross multiply
    3,825.57x = 5,738.62 × 1,228.35
  4. Step 4: Simplify right side
    3,825.57x = 7,049,027.74
  5. Step 5: Solve for x
    x = 7,049,027.74/3,825.57
  6. Step 6: Final answer
    x = 1,842.61

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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.