Home / 3,825.63-5,738.31-1,228.50

Finding the Fourth Proportional to 3,825.63, 5,738.31 and 1,228.50

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Solution

The fourth proportional to 3,825.63, 5,738.31 and 1,228.50 is: 1,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.63 : 5,738.31 = 1,228.50 : x
  2. Step 2: Convert to fraction form
    3,825.63/5,738.31 = 1,228.50/x
  3. Step 3: Cross multiply
    3,825.63x = 5,738.31 × 1,228.50
  4. Step 4: Simplify right side
    3,825.63x = 7,049,513.84
  5. Step 5: Solve for x
    x = 7,049,513.84/3,825.63
  6. Step 6: Final answer
    x = 1,842.71

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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.