Home / 3,608.96-5,411.49-1,268.36

Finding the Fourth Proportional to 3,608.96, 5,411.49 and 1,268.36

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Solution

The fourth proportional to 3,608.96, 5,411.49 and 1,268.36 is: 1,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.96 : 5,411.49 = 1,268.36 : x
  2. Step 2: Convert to fraction form
    3,608.96/5,411.49 = 1,268.36/x
  3. Step 3: Cross multiply
    3,608.96x = 5,411.49 × 1,268.36
  4. Step 4: Simplify right side
    3,608.96x = 6,863,717.46
  5. Step 5: Solve for x
    x = 6,863,717.46/3,608.96
  6. Step 6: Final answer
    x = 1,901.85

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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.