Home / 3,546.21-5,331.33-2,857.71

Finding the Fourth Proportional to 3,546.21, 5,331.33 and 2,857.71

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Solution

The fourth proportional to 3,546.21, 5,331.33 and 2,857.71 is: 4,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.21 : 5,331.33 = 2,857.71 : x
  2. Step 2: Convert to fraction form
    3,546.21/5,331.33 = 2,857.71/x
  3. Step 3: Cross multiply
    3,546.21x = 5,331.33 × 2,857.71
  4. Step 4: Simplify right side
    3,546.21x = 15,235,395.05
  5. Step 5: Solve for x
    x = 15,235,395.05/3,546.21
  6. Step 6: Final answer
    x = 4,296.25

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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.