Home / 2,763.43-4,144.70-1,119.91

Finding the Fourth Proportional to 2,763.43, 4,144.70 and 1,119.91

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Solution

The fourth proportional to 2,763.43, 4,144.70 and 1,119.91 is: 1,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.43 : 4,144.70 = 1,119.91 : x
  2. Step 2: Convert to fraction form
    2,763.43/4,144.70 = 1,119.91/x
  3. Step 3: Cross multiply
    2,763.43x = 4,144.70 × 1,119.91
  4. Step 4: Simplify right side
    2,763.43x = 4,641,685.38
  5. Step 5: Solve for x
    x = 4,641,685.38/2,763.43
  6. Step 6: Final answer
    x = 1,679.68

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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.