Home / 3,962-5,464.32-2,636.24

Finding the Fourth Proportional to 3,962, 5,464.32 and 2,636.24

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Solution

The fourth proportional to 3,962, 5,464.32 and 2,636.24 is: 3,635.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962 : 5,464.32 = 2,636.24 : x
  2. Step 2: Convert to fraction form
    3,962/5,464.32 = 2,636.24/x
  3. Step 3: Cross multiply
    3,962x = 5,464.32 × 2,636.24
  4. Step 4: Simplify right side
    3,962x = 14,405,258.96
  5. Step 5: Solve for x
    x = 14,405,258.96/3,962
  6. Step 6: Final answer
    x = 3,635.86

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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.