Home / 1,839.77-2,757.02-1,426.97

Finding the Fourth Proportional to 1,839.77, 2,757.02 and 1,426.97

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Solution

The fourth proportional to 1,839.77, 2,757.02 and 1,426.97 is: 2,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.77 : 2,757.02 = 1,426.97 : x
  2. Step 2: Convert to fraction form
    1,839.77/2,757.02 = 1,426.97/x
  3. Step 3: Cross multiply
    1,839.77x = 2,757.02 × 1,426.97
  4. Step 4: Simplify right side
    1,839.77x = 3,934,163.91
  5. Step 5: Solve for x
    x = 3,934,163.91/1,839.77
  6. Step 6: Final answer
    x = 2,138.41

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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.