Home / 3,949.94-5,451.22-2,556.74

Finding the Fourth Proportional to 3,949.94, 5,451.22 and 2,556.74

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Solution

The fourth proportional to 3,949.94, 5,451.22 and 2,556.74 is: 3,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.94 : 5,451.22 = 2,556.74 : x
  2. Step 2: Convert to fraction form
    3,949.94/5,451.22 = 2,556.74/x
  3. Step 3: Cross multiply
    3,949.94x = 5,451.22 × 2,556.74
  4. Step 4: Simplify right side
    3,949.94x = 13,937,352.22
  5. Step 5: Solve for x
    x = 13,937,352.22/3,949.94
  6. Step 6: Final answer
    x = 3,528.50

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