Home / 3,610.62-5,414.96-1,419.36

Finding the Fourth Proportional to 3,610.62, 5,414.96 and 1,419.36

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Solution

The fourth proportional to 3,610.62, 5,414.96 and 1,419.36 is: 2,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.62 : 5,414.96 = 1,419.36 : x
  2. Step 2: Convert to fraction form
    3,610.62/5,414.96 = 1,419.36/x
  3. Step 3: Cross multiply
    3,610.62x = 5,414.96 × 1,419.36
  4. Step 4: Simplify right side
    3,610.62x = 7,685,777.63
  5. Step 5: Solve for x
    x = 7,685,777.63/3,610.62
  6. Step 6: Final answer
    x = 2,128.66

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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.