Home / 1,727.26-2,382.18-1,254.22

Finding the Fourth Proportional to 1,727.26, 2,382.18 and 1,254.22

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Solution

The fourth proportional to 1,727.26, 2,382.18 and 1,254.22 is: 1,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.26 : 2,382.18 = 1,254.22 : x
  2. Step 2: Convert to fraction form
    1,727.26/2,382.18 = 1,254.22/x
  3. Step 3: Cross multiply
    1,727.26x = 2,382.18 × 1,254.22
  4. Step 4: Simplify right side
    1,727.26x = 2,987,777.80
  5. Step 5: Solve for x
    x = 2,987,777.80/1,727.26
  6. Step 6: Final answer
    x = 1,729.78

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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.