Home / 4,083.80-5,636.17-2,405.36

Finding the Fourth Proportional to 4,083.80, 5,636.17 and 2,405.36

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Solution

The fourth proportional to 4,083.80, 5,636.17 and 2,405.36 is: 3,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.80 : 5,636.17 = 2,405.36 : x
  2. Step 2: Convert to fraction form
    4,083.80/5,636.17 = 2,405.36/x
  3. Step 3: Cross multiply
    4,083.80x = 5,636.17 × 2,405.36
  4. Step 4: Simplify right side
    4,083.80x = 13,557,025.95
  5. Step 5: Solve for x
    x = 13,557,025.95/4,083.80
  6. Step 6: Final answer
    x = 3,319.71

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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.