Home / 3,288.71-4,935.92-1,809.29

Finding the Fourth Proportional to 3,288.71, 4,935.92 and 1,809.29

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Solution

The fourth proportional to 3,288.71, 4,935.92 and 1,809.29 is: 2,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.71 : 4,935.92 = 1,809.29 : x
  2. Step 2: Convert to fraction form
    3,288.71/4,935.92 = 1,809.29/x
  3. Step 3: Cross multiply
    3,288.71x = 4,935.92 × 1,809.29
  4. Step 4: Simplify right side
    3,288.71x = 8,930,476.97
  5. Step 5: Solve for x
    x = 8,930,476.97/3,288.71
  6. Step 6: Final answer
    x = 2,715.50

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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.