Home / 3,578.20-5,367.30-2,881.60

Finding the Fourth Proportional to 3,578.20, 5,367.30 and 2,881.60

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Solution

The fourth proportional to 3,578.20, 5,367.30 and 2,881.60 is: 4,322.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.20 : 5,367.30 = 2,881.60 : x
  2. Step 2: Convert to fraction form
    3,578.20/5,367.30 = 2,881.60/x
  3. Step 3: Cross multiply
    3,578.20x = 5,367.30 × 2,881.60
  4. Step 4: Simplify right side
    3,578.20x = 15,466,370.44
  5. Step 5: Solve for x
    x = 15,466,370.44/3,578.20
  6. Step 6: Final answer
    x = 4,322.39

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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.