Home / 3,902.46-5,388.22-2,412.42

Finding the Fourth Proportional to 3,902.46, 5,388.22 and 2,412.42

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Solution

The fourth proportional to 3,902.46, 5,388.22 and 2,412.42 is: 3,330.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.46 : 5,388.22 = 2,412.42 : x
  2. Step 2: Convert to fraction form
    3,902.46/5,388.22 = 2,412.42/x
  3. Step 3: Cross multiply
    3,902.46x = 5,388.22 × 2,412.42
  4. Step 4: Simplify right side
    3,902.46x = 12,998,637.63
  5. Step 5: Solve for x
    x = 12,998,637.63/3,902.46
  6. Step 6: Final answer
    x = 3,330.88

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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.