Home / 3,580.92-5,367.60-1,634.40

Finding the Fourth Proportional to 3,580.92, 5,367.60 and 1,634.40

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Solution

The fourth proportional to 3,580.92, 5,367.60 and 1,634.40 is: 2,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.92 : 5,367.60 = 1,634.40 : x
  2. Step 2: Convert to fraction form
    3,580.92/5,367.60 = 1,634.40/x
  3. Step 3: Cross multiply
    3,580.92x = 5,367.60 × 1,634.40
  4. Step 4: Simplify right side
    3,580.92x = 8,772,805.44
  5. Step 5: Solve for x
    x = 8,772,805.44/3,580.92
  6. Step 6: Final answer
    x = 2,449.87

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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.