Home / 3,805.36-5,709.44-2,718.28

Finding the Fourth Proportional to 3,805.36, 5,709.44 and 2,718.28

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Solution

The fourth proportional to 3,805.36, 5,709.44 and 2,718.28 is: 4,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.36 : 5,709.44 = 2,718.28 : x
  2. Step 2: Convert to fraction form
    3,805.36/5,709.44 = 2,718.28/x
  3. Step 3: Cross multiply
    3,805.36x = 5,709.44 × 2,718.28
  4. Step 4: Simplify right side
    3,805.36x = 15,519,856.56
  5. Step 5: Solve for x
    x = 15,519,856.56/3,805.36
  6. Step 6: Final answer
    x = 4,078.42

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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.