Home / 2,217.94-3,323.09-1,394.17

Finding the Fourth Proportional to 2,217.94, 3,323.09 and 1,394.17

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Solution

The fourth proportional to 2,217.94, 3,323.09 and 1,394.17 is: 2,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.94 : 3,323.09 = 1,394.17 : x
  2. Step 2: Convert to fraction form
    2,217.94/3,323.09 = 1,394.17/x
  3. Step 3: Cross multiply
    2,217.94x = 3,323.09 × 1,394.17
  4. Step 4: Simplify right side
    2,217.94x = 4,632,947.56
  5. Step 5: Solve for x
    x = 4,632,947.56/2,217.94
  6. Step 6: Final answer
    x = 2,088.85

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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.