Home / 3,619.25-5,425.80-3,447.02

Finding the Fourth Proportional to 3,619.25, 5,425.80 and 3,447.02

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Solution

The fourth proportional to 3,619.25, 5,425.80 and 3,447.02 is: 5,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.25 : 5,425.80 = 3,447.02 : x
  2. Step 2: Convert to fraction form
    3,619.25/5,425.80 = 3,447.02/x
  3. Step 3: Cross multiply
    3,619.25x = 5,425.80 × 3,447.02
  4. Step 4: Simplify right side
    3,619.25x = 18,702,841.75
  5. Step 5: Solve for x
    x = 18,702,841.75/3,619.25
  6. Step 6: Final answer
    x = 5,167.60

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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.