Home / 3,398.88-5,092.56-1,342.56

Finding the Fourth Proportional to 3,398.88, 5,092.56 and 1,342.56

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Solution

The fourth proportional to 3,398.88, 5,092.56 and 1,342.56 is: 2,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.88 : 5,092.56 = 1,342.56 : x
  2. Step 2: Convert to fraction form
    3,398.88/5,092.56 = 1,342.56/x
  3. Step 3: Cross multiply
    3,398.88x = 5,092.56 × 1,342.56
  4. Step 4: Simplify right side
    3,398.88x = 6,837,067.35
  5. Step 5: Solve for x
    x = 6,837,067.35/3,398.88
  6. Step 6: Final answer
    x = 2,011.56

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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.