Home / 3,512.22-5,264.91-2,855.43

Finding the Fourth Proportional to 3,512.22, 5,264.91 and 2,855.43

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Solution

The fourth proportional to 3,512.22, 5,264.91 and 2,855.43 is: 4,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.22 : 5,264.91 = 2,855.43 : x
  2. Step 2: Convert to fraction form
    3,512.22/5,264.91 = 2,855.43/x
  3. Step 3: Cross multiply
    3,512.22x = 5,264.91 × 2,855.43
  4. Step 4: Simplify right side
    3,512.22x = 15,033,581.96
  5. Step 5: Solve for x
    x = 15,033,581.96/3,512.22
  6. Step 6: Final answer
    x = 4,280.36

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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.