Home / 3,326-4,589.88-1,928.84

Finding the Fourth Proportional to 3,326, 4,589.88 and 1,928.84

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Solution

The fourth proportional to 3,326, 4,589.88 and 1,928.84 is: 2,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326 : 4,589.88 = 1,928.84 : x
  2. Step 2: Convert to fraction form
    3,326/4,589.88 = 1,928.84/x
  3. Step 3: Cross multiply
    3,326x = 4,589.88 × 1,928.84
  4. Step 4: Simplify right side
    3,326x = 8,853,144.14
  5. Step 5: Solve for x
    x = 8,853,144.14/3,326
  6. Step 6: Final answer
    x = 2,661.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.