Home / 2,179.03-3,268.53-535.54

Finding the Fourth Proportional to 2,179.03, 3,268.53 and 535.54

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Solution

The fourth proportional to 2,179.03, 3,268.53 and 535.54 is: 803.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.03 : 3,268.53 = 535.54 : x
  2. Step 2: Convert to fraction form
    2,179.03/3,268.53 = 535.54/x
  3. Step 3: Cross multiply
    2,179.03x = 3,268.53 × 535.54
  4. Step 4: Simplify right side
    2,179.03x = 1,750,428.56
  5. Step 5: Solve for x
    x = 1,750,428.56/2,179.03
  6. Step 6: Final answer
    x = 803.31

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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.