Home / 3,513.75-5,268.20-2,127.44

Finding the Fourth Proportional to 3,513.75, 5,268.20 and 2,127.44

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Solution

The fourth proportional to 3,513.75, 5,268.20 and 2,127.44 is: 3,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.75 : 5,268.20 = 2,127.44 : x
  2. Step 2: Convert to fraction form
    3,513.75/5,268.20 = 2,127.44/x
  3. Step 3: Cross multiply
    3,513.75x = 5,268.20 × 2,127.44
  4. Step 4: Simplify right side
    3,513.75x = 11,207,742.43
  5. Step 5: Solve for x
    x = 11,207,742.43/3,513.75
  6. Step 6: Final answer
    x = 3,189.68

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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.