Home / 1,943.43-2,685.74-1,727.43

Finding the Fourth Proportional to 1,943.43, 2,685.74 and 1,727.43

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Solution

The fourth proportional to 1,943.43, 2,685.74 and 1,727.43 is: 2,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.43 : 2,685.74 = 1,727.43 : x
  2. Step 2: Convert to fraction form
    1,943.43/2,685.74 = 1,727.43/x
  3. Step 3: Cross multiply
    1,943.43x = 2,685.74 × 1,727.43
  4. Step 4: Simplify right side
    1,943.43x = 4,639,419.21
  5. Step 5: Solve for x
    x = 4,639,419.21/1,943.43
  6. Step 6: Final answer
    x = 2,387.23

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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.