Home / 3,723.35-5,121.88-3,114.41

Finding the Fourth Proportional to 3,723.35, 5,121.88 and 3,114.41

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Solution

The fourth proportional to 3,723.35, 5,121.88 and 3,114.41 is: 4,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.35 : 5,121.88 = 3,114.41 : x
  2. Step 2: Convert to fraction form
    3,723.35/5,121.88 = 3,114.41/x
  3. Step 3: Cross multiply
    3,723.35x = 5,121.88 × 3,114.41
  4. Step 4: Simplify right side
    3,723.35x = 15,951,600.90
  5. Step 5: Solve for x
    x = 15,951,600.90/3,723.35
  6. Step 6: Final answer
    x = 4,284.21

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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.