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Finding the Fourth Proportional to 3,235, 4,464.87 and 2,447.68

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Solution

The fourth proportional to 3,235, 4,464.87 and 2,447.68 is: 3,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235 : 4,464.87 = 2,447.68 : x
  2. Step 2: Convert to fraction form
    3,235/4,464.87 = 2,447.68/x
  3. Step 3: Cross multiply
    3,235x = 4,464.87 × 2,447.68
  4. Step 4: Simplify right side
    3,235x = 10,928,573.00
  5. Step 5: Solve for x
    x = 10,928,573.00/3,235
  6. Step 6: Final answer
    x = 3,378.23

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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.