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Finding the Fourth Proportional to 3,203.65, 4,805.48 and 1,228.82

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Solution

The fourth proportional to 3,203.65, 4,805.48 and 1,228.82 is: 1,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.65 : 4,805.48 = 1,228.82 : x
  2. Step 2: Convert to fraction form
    3,203.65/4,805.48 = 1,228.82/x
  3. Step 3: Cross multiply
    3,203.65x = 4,805.48 × 1,228.82
  4. Step 4: Simplify right side
    3,203.65x = 5,905,069.10
  5. Step 5: Solve for x
    x = 5,905,069.10/3,203.65
  6. Step 6: Final answer
    x = 1,843.23

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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.