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Finding the Fourth Proportional to 2,458.08, 3,684.78 and 896.85

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Solution

The fourth proportional to 2,458.08, 3,684.78 and 896.85 is: 1,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.08 : 3,684.78 = 896.85 : x
  2. Step 2: Convert to fraction form
    2,458.08/3,684.78 = 896.85/x
  3. Step 3: Cross multiply
    2,458.08x = 3,684.78 × 896.85
  4. Step 4: Simplify right side
    2,458.08x = 3,304,694.94
  5. Step 5: Solve for x
    x = 3,304,694.94/2,458.08
  6. Step 6: Final answer
    x = 1,344.42

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1.5x scale

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.