Home / 3,268.54-4,506.48-2,218.78

Finding the Fourth Proportional to 3,268.54, 4,506.48 and 2,218.78

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Solution

The fourth proportional to 3,268.54, 4,506.48 and 2,218.78 is: 3,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.54 : 4,506.48 = 2,218.78 : x
  2. Step 2: Convert to fraction form
    3,268.54/4,506.48 = 2,218.78/x
  3. Step 3: Cross multiply
    3,268.54x = 4,506.48 × 2,218.78
  4. Step 4: Simplify right side
    3,268.54x = 9,998,887.69
  5. Step 5: Solve for x
    x = 9,998,887.69/3,268.54
  6. Step 6: Final answer
    x = 3,059.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.