Home / 3,611.70-5,419.07-1,969.43

Finding the Fourth Proportional to 3,611.70, 5,419.07 and 1,969.43

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Solution

The fourth proportional to 3,611.70, 5,419.07 and 1,969.43 is: 2,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.70 : 5,419.07 = 1,969.43 : x
  2. Step 2: Convert to fraction form
    3,611.70/5,419.07 = 1,969.43/x
  3. Step 3: Cross multiply
    3,611.70x = 5,419.07 × 1,969.43
  4. Step 4: Simplify right side
    3,611.70x = 10,672,449.47
  5. Step 5: Solve for x
    x = 10,672,449.47/3,611.70
  6. Step 6: Final answer
    x = 2,954.97

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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.