Home / 2,133.62-2,943.21-1,249.25

Finding the Fourth Proportional to 2,133.62, 2,943.21 and 1,249.25

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Solution

The fourth proportional to 2,133.62, 2,943.21 and 1,249.25 is: 1,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.62 : 2,943.21 = 1,249.25 : x
  2. Step 2: Convert to fraction form
    2,133.62/2,943.21 = 1,249.25/x
  3. Step 3: Cross multiply
    2,133.62x = 2,943.21 × 1,249.25
  4. Step 4: Simplify right side
    2,133.62x = 3,676,805.09
  5. Step 5: Solve for x
    x = 3,676,805.09/2,133.62
  6. Step 6: Final answer
    x = 1,723.27

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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.