Home / 3,534.33-5,290.92-2,143.43

Finding the Fourth Proportional to 3,534.33, 5,290.92 and 2,143.43

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Solution

The fourth proportional to 3,534.33, 5,290.92 and 2,143.43 is: 3,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.33 : 5,290.92 = 2,143.43 : x
  2. Step 2: Convert to fraction form
    3,534.33/5,290.92 = 2,143.43/x
  3. Step 3: Cross multiply
    3,534.33x = 5,290.92 × 2,143.43
  4. Step 4: Simplify right side
    3,534.33x = 11,340,716.66
  5. Step 5: Solve for x
    x = 11,340,716.66/3,534.33
  6. Step 6: Final answer
    x = 3,208.73

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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.