Home / 1,619.11-2,425.83-1,296.46

Finding the Fourth Proportional to 1,619.11, 2,425.83 and 1,296.46

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Solution

The fourth proportional to 1,619.11, 2,425.83 and 1,296.46 is: 1,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.11 : 2,425.83 = 1,296.46 : x
  2. Step 2: Convert to fraction form
    1,619.11/2,425.83 = 1,296.46/x
  3. Step 3: Cross multiply
    1,619.11x = 2,425.83 × 1,296.46
  4. Step 4: Simplify right side
    1,619.11x = 3,144,991.56
  5. Step 5: Solve for x
    x = 3,144,991.56/1,619.11
  6. Step 6: Final answer
    x = 1,942.42

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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.