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Finding the Fourth Proportional to 3,530, 4,854.12 and 3,063.44

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Solution

The fourth proportional to 3,530, 4,854.12 and 3,063.44 is: 4,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530 : 4,854.12 = 3,063.44 : x
  2. Step 2: Convert to fraction form
    3,530/4,854.12 = 3,063.44/x
  3. Step 3: Cross multiply
    3,530x = 4,854.12 × 3,063.44
  4. Step 4: Simplify right side
    3,530x = 14,870,305.37
  5. Step 5: Solve for x
    x = 14,870,305.37/3,530
  6. Step 6: Final answer
    x = 4,212.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.