Home / 3,268.80-4,906.08-1,887.12

Finding the Fourth Proportional to 3,268.80, 4,906.08 and 1,887.12

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Solution

The fourth proportional to 3,268.80, 4,906.08 and 1,887.12 is: 2,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.80 : 4,906.08 = 1,887.12 : x
  2. Step 2: Convert to fraction form
    3,268.80/4,906.08 = 1,887.12/x
  3. Step 3: Cross multiply
    3,268.80x = 4,906.08 × 1,887.12
  4. Step 4: Simplify right side
    3,268.80x = 9,258,361.69
  5. Step 5: Solve for x
    x = 9,258,361.69/3,268.80
  6. Step 6: Final answer
    x = 2,832.34

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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.