Home / 3,902.96-5,386.22-2,224.62

Finding the Fourth Proportional to 3,902.96, 5,386.22 and 2,224.62

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Solution

The fourth proportional to 3,902.96, 5,386.22 and 2,224.62 is: 3,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.96 : 5,386.22 = 2,224.62 : x
  2. Step 2: Convert to fraction form
    3,902.96/5,386.22 = 2,224.62/x
  3. Step 3: Cross multiply
    3,902.96x = 5,386.22 × 2,224.62
  4. Step 4: Simplify right side
    3,902.96x = 11,982,298.30
  5. Step 5: Solve for x
    x = 11,982,298.30/3,902.96
  6. Step 6: Final answer
    x = 3,070.05

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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.