Home / 3,611.25-5,414.45-1,662.39

Finding the Fourth Proportional to 3,611.25, 5,414.45 and 1,662.39

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Solution

The fourth proportional to 3,611.25, 5,414.45 and 1,662.39 is: 2,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.25 : 5,414.45 = 1,662.39 : x
  2. Step 2: Convert to fraction form
    3,611.25/5,414.45 = 1,662.39/x
  3. Step 3: Cross multiply
    3,611.25x = 5,414.45 × 1,662.39
  4. Step 4: Simplify right side
    3,611.25x = 9,000,919.22
  5. Step 5: Solve for x
    x = 9,000,919.22/3,611.25
  6. Step 6: Final answer
    x = 2,492.47

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1.5x scale

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.