Home / 3,999.26-5,517.33-2,405.33

Finding the Fourth Proportional to 3,999.26, 5,517.33 and 2,405.33

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Solution

The fourth proportional to 3,999.26, 5,517.33 and 2,405.33 is: 3,318.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.26 : 5,517.33 = 2,405.33 : x
  2. Step 2: Convert to fraction form
    3,999.26/5,517.33 = 2,405.33/x
  3. Step 3: Cross multiply
    3,999.26x = 5,517.33 × 2,405.33
  4. Step 4: Simplify right side
    3,999.26x = 13,270,999.37
  5. Step 5: Solve for x
    x = 13,270,999.37/3,999.26
  6. Step 6: Final answer
    x = 3,318.36

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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.