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Finding the Fourth Proportional to 3,960.32, 5,935.36 and 3,496.32

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Solution

The fourth proportional to 3,960.32, 5,935.36 and 3,496.32 is: 5,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.32 : 5,935.36 = 3,496.32 : x
  2. Step 2: Convert to fraction form
    3,960.32/5,935.36 = 3,496.32/x
  3. Step 3: Cross multiply
    3,960.32x = 5,935.36 × 3,496.32
  4. Step 4: Simplify right side
    3,960.32x = 20,751,917.88
  5. Step 5: Solve for x
    x = 20,751,917.88/3,960.32
  6. Step 6: Final answer
    x = 5,239.96

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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.