Home / 3,608.11-5,412.21-1,268.02

Finding the Fourth Proportional to 3,608.11, 5,412.21 and 1,268.02

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Solution

The fourth proportional to 3,608.11, 5,412.21 and 1,268.02 is: 1,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.11 : 5,412.21 = 1,268.02 : x
  2. Step 2: Convert to fraction form
    3,608.11/5,412.21 = 1,268.02/x
  3. Step 3: Cross multiply
    3,608.11x = 5,412.21 × 1,268.02
  4. Step 4: Simplify right side
    3,608.11x = 6,862,790.52
  5. Step 5: Solve for x
    x = 6,862,790.52/3,608.11
  6. Step 6: Final answer
    x = 1,902.05

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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.