Home / 3,659.31-5,478.26-2,268.45

Finding the Fourth Proportional to 3,659.31, 5,478.26 and 2,268.45

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Solution

The fourth proportional to 3,659.31, 5,478.26 and 2,268.45 is: 3,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.31 : 5,478.26 = 2,268.45 : x
  2. Step 2: Convert to fraction form
    3,659.31/5,478.26 = 2,268.45/x
  3. Step 3: Cross multiply
    3,659.31x = 5,478.26 × 2,268.45
  4. Step 4: Simplify right side
    3,659.31x = 12,427,147.55
  5. Step 5: Solve for x
    x = 12,427,147.55/3,659.31
  6. Step 6: Final answer
    x = 3,396.04

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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.