Home / 3,287.52-4,928.94-1,338.12

Finding the Fourth Proportional to 3,287.52, 4,928.94 and 1,338.12

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Solution

The fourth proportional to 3,287.52, 4,928.94 and 1,338.12 is: 2,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.52 : 4,928.94 = 1,338.12 : x
  2. Step 2: Convert to fraction form
    3,287.52/4,928.94 = 1,338.12/x
  3. Step 3: Cross multiply
    3,287.52x = 4,928.94 × 1,338.12
  4. Step 4: Simplify right side
    3,287.52x = 6,595,513.19
  5. Step 5: Solve for x
    x = 6,595,513.19/3,287.52
  6. Step 6: Final answer
    x = 2,006.23

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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.