Home / 2,192.20-3,288.26-548.75

Finding the Fourth Proportional to 2,192.20, 3,288.26 and 548.75

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Solution

The fourth proportional to 2,192.20, 3,288.26 and 548.75 is: 823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.20 : 3,288.26 = 548.75 : x
  2. Step 2: Convert to fraction form
    2,192.20/3,288.26 = 548.75/x
  3. Step 3: Cross multiply
    2,192.20x = 3,288.26 × 548.75
  4. Step 4: Simplify right side
    2,192.20x = 1,804,432.68
  5. Step 5: Solve for x
    x = 1,804,432.68/2,192.20
  6. Step 6: Final answer
    x = 823.11

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1.5x scale

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.