Home / 2,774.25-4,161.37-1,619.19

Finding the Fourth Proportional to 2,774.25, 4,161.37 and 1,619.19

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Solution

The fourth proportional to 2,774.25, 4,161.37 and 1,619.19 is: 2,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.25 : 4,161.37 = 1,619.19 : x
  2. Step 2: Convert to fraction form
    2,774.25/4,161.37 = 1,619.19/x
  3. Step 3: Cross multiply
    2,774.25x = 4,161.37 × 1,619.19
  4. Step 4: Simplify right side
    2,774.25x = 6,738,048.69
  5. Step 5: Solve for x
    x = 6,738,048.69/2,774.25
  6. Step 6: Final answer
    x = 2,428.78

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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.