Home / 2,179.24-3,268.84-535.80

Finding the Fourth Proportional to 2,179.24, 3,268.84 and 535.80

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Solution

The fourth proportional to 2,179.24, 3,268.84 and 535.80 is: 803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.24 : 3,268.84 = 535.80 : x
  2. Step 2: Convert to fraction form
    2,179.24/3,268.84 = 535.80/x
  3. Step 3: Cross multiply
    2,179.24x = 3,268.84 × 535.80
  4. Step 4: Simplify right side
    2,179.24x = 1,751,456.40
  5. Step 5: Solve for x
    x = 1,751,456.40/2,179.24
  6. Step 6: Final answer
    x = 803.70

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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.