Home / 3,519.87-4,857.96-2,028.02

Finding the Fourth Proportional to 3,519.87, 4,857.96 and 2,028.02

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Solution

The fourth proportional to 3,519.87, 4,857.96 and 2,028.02 is: 2,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.87 : 4,857.96 = 2,028.02 : x
  2. Step 2: Convert to fraction form
    3,519.87/4,857.96 = 2,028.02/x
  3. Step 3: Cross multiply
    3,519.87x = 4,857.96 × 2,028.02
  4. Step 4: Simplify right side
    3,519.87x = 9,852,015.79
  5. Step 5: Solve for x
    x = 9,852,015.79/3,519.87
  6. Step 6: Final answer
    x = 2,798.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.