Home / 2,763.29-4,144.94-1,378.32

Finding the Fourth Proportional to 2,763.29, 4,144.94 and 1,378.32

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Solution

The fourth proportional to 2,763.29, 4,144.94 and 1,378.32 is: 2,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.29 : 4,144.94 = 1,378.32 : x
  2. Step 2: Convert to fraction form
    2,763.29/4,144.94 = 1,378.32/x
  3. Step 3: Cross multiply
    2,763.29x = 4,144.94 × 1,378.32
  4. Step 4: Simplify right side
    2,763.29x = 5,713,046.81
  5. Step 5: Solve for x
    x = 5,713,046.81/2,763.29
  6. Step 6: Final answer
    x = 2,067.48

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1.5x scale

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.