Home / 3,513.41-5,268.38-1,172.61

Finding the Fourth Proportional to 3,513.41, 5,268.38 and 1,172.61

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Solution

The fourth proportional to 3,513.41, 5,268.38 and 1,172.61 is: 1,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.41 : 5,268.38 = 1,172.61 : x
  2. Step 2: Convert to fraction form
    3,513.41/5,268.38 = 1,172.61/x
  3. Step 3: Cross multiply
    3,513.41x = 5,268.38 × 1,172.61
  4. Step 4: Simplify right side
    3,513.41x = 6,177,755.07
  5. Step 5: Solve for x
    x = 6,177,755.07/3,513.41
  6. Step 6: Final answer
    x = 1,758.34

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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.