Home / 2,763.20-4,145.18-1,007.97

Finding the Fourth Proportional to 2,763.20, 4,145.18 and 1,007.97

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Solution

The fourth proportional to 2,763.20, 4,145.18 and 1,007.97 is: 1,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.20 : 4,145.18 = 1,007.97 : x
  2. Step 2: Convert to fraction form
    2,763.20/4,145.18 = 1,007.97/x
  3. Step 3: Cross multiply
    2,763.20x = 4,145.18 × 1,007.97
  4. Step 4: Simplify right side
    2,763.20x = 4,178,217.08
  5. Step 5: Solve for x
    x = 4,178,217.08/2,763.20
  6. Step 6: Final answer
    x = 1,512.09

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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.