Home / 2,736.96-4,079.43-2,581.28

Finding the Fourth Proportional to 2,736.96, 4,079.43 and 2,581.28

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Solution

The fourth proportional to 2,736.96, 4,079.43 and 2,581.28 is: 3,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.96 : 4,079.43 = 2,581.28 : x
  2. Step 2: Convert to fraction form
    2,736.96/4,079.43 = 2,581.28/x
  3. Step 3: Cross multiply
    2,736.96x = 4,079.43 × 2,581.28
  4. Step 4: Simplify right side
    2,736.96x = 10,530,151.07
  5. Step 5: Solve for x
    x = 10,530,151.07/2,736.96
  6. Step 6: Final answer
    x = 3,847.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.