Home / 3,398.13-5,089.66-2,612.34

Finding the Fourth Proportional to 3,398.13, 5,089.66 and 2,612.34

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Solution

The fourth proportional to 3,398.13, 5,089.66 and 2,612.34 is: 3,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.13 : 5,089.66 = 2,612.34 : x
  2. Step 2: Convert to fraction form
    3,398.13/5,089.66 = 2,612.34/x
  3. Step 3: Cross multiply
    3,398.13x = 5,089.66 × 2,612.34
  4. Step 4: Simplify right side
    3,398.13x = 13,295,883.89
  5. Step 5: Solve for x
    x = 13,295,883.89/3,398.13
  6. Step 6: Final answer
    x = 3,912.71

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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.