Home / 2,168.09-3,252.22-1,805.43

Finding the Fourth Proportional to 2,168.09, 3,252.22 and 1,805.43

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Solution

The fourth proportional to 2,168.09, 3,252.22 and 1,805.43 is: 2,708.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.09 : 3,252.22 = 1,805.43 : x
  2. Step 2: Convert to fraction form
    2,168.09/3,252.22 = 1,805.43/x
  3. Step 3: Cross multiply
    2,168.09x = 3,252.22 × 1,805.43
  4. Step 4: Simplify right side
    2,168.09x = 5,871,655.55
  5. Step 5: Solve for x
    x = 5,871,655.55/2,168.09
  6. Step 6: Final answer
    x = 2,708.22

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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.