Home / 3,745.64-5,170.20-2,568.44

Finding the Fourth Proportional to 3,745.64, 5,170.20 and 2,568.44

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Solution

The fourth proportional to 3,745.64, 5,170.20 and 2,568.44 is: 3,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.64 : 5,170.20 = 2,568.44 : x
  2. Step 2: Convert to fraction form
    3,745.64/5,170.20 = 2,568.44/x
  3. Step 3: Cross multiply
    3,745.64x = 5,170.20 × 2,568.44
  4. Step 4: Simplify right side
    3,745.64x = 13,279,348.49
  5. Step 5: Solve for x
    x = 13,279,348.49/3,745.64
  6. Step 6: Final answer
    x = 3,545.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.