Home / 3,439.92-5,168.32-2,207.84

Finding the Fourth Proportional to 3,439.92, 5,168.32 and 2,207.84

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Solution

The fourth proportional to 3,439.92, 5,168.32 and 2,207.84 is: 3,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.92 : 5,168.32 = 2,207.84 : x
  2. Step 2: Convert to fraction form
    3,439.92/5,168.32 = 2,207.84/x
  3. Step 3: Cross multiply
    3,439.92x = 5,168.32 × 2,207.84
  4. Step 4: Simplify right side
    3,439.92x = 11,410,823.63
  5. Step 5: Solve for x
    x = 11,410,823.63/3,439.92
  6. Step 6: Final answer
    x = 3,317.18

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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.