Home / 2,268.45-3,418.11-1,866.60

Finding the Fourth Proportional to 2,268.45, 3,418.11 and 1,866.60

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Solution

The fourth proportional to 2,268.45, 3,418.11 and 1,866.60 is: 2,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.45 : 3,418.11 = 1,866.60 : x
  2. Step 2: Convert to fraction form
    2,268.45/3,418.11 = 1,866.60/x
  3. Step 3: Cross multiply
    2,268.45x = 3,418.11 × 1,866.60
  4. Step 4: Simplify right side
    2,268.45x = 6,380,244.13
  5. Step 5: Solve for x
    x = 6,380,244.13/2,268.45
  6. Step 6: Final answer
    x = 2,812.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.