Home / 3,456.96-5,186.25-1,609.36

Finding the Fourth Proportional to 3,456.96, 5,186.25 and 1,609.36

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Solution

The fourth proportional to 3,456.96, 5,186.25 and 1,609.36 is: 2,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.96 : 5,186.25 = 1,609.36 : x
  2. Step 2: Convert to fraction form
    3,456.96/5,186.25 = 1,609.36/x
  3. Step 3: Cross multiply
    3,456.96x = 5,186.25 × 1,609.36
  4. Step 4: Simplify right side
    3,456.96x = 8,346,543.30
  5. Step 5: Solve for x
    x = 8,346,543.30/3,456.96
  6. Step 6: Final answer
    x = 2,414.42

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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.