Home / 3,287.97-4,928.88-1,643.04

Finding the Fourth Proportional to 3,287.97, 4,928.88 and 1,643.04

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Solution

The fourth proportional to 3,287.97, 4,928.88 and 1,643.04 is: 2,463.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.97 : 4,928.88 = 1,643.04 : x
  2. Step 2: Convert to fraction form
    3,287.97/4,928.88 = 1,643.04/x
  3. Step 3: Cross multiply
    3,287.97x = 4,928.88 × 1,643.04
  4. Step 4: Simplify right side
    3,287.97x = 8,098,347.00
  5. Step 5: Solve for x
    x = 8,098,347.00/3,287.97
  6. Step 6: Final answer
    x = 2,463.02

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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.