Home / 2,179.20-3,268.06-1,302

Finding the Fourth Proportional to 2,179.20, 3,268.06 and 1,302

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Solution

The fourth proportional to 2,179.20, 3,268.06 and 1,302 is: 1,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.20 : 3,268.06 = 1,302 : x
  2. Step 2: Convert to fraction form
    2,179.20/3,268.06 = 1,302/x
  3. Step 3: Cross multiply
    2,179.20x = 3,268.06 × 1,302
  4. Step 4: Simplify right side
    2,179.20x = 4,255,014.12
  5. Step 5: Solve for x
    x = 4,255,014.12/2,179.20
  6. Step 6: Final answer
    x = 1,952.56

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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.