Home / 3,949.36-5,451.10-2,888.66

Finding the Fourth Proportional to 3,949.36, 5,451.10 and 2,888.66

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Solution

The fourth proportional to 3,949.36, 5,451.10 and 2,888.66 is: 3,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.36 : 5,451.10 = 2,888.66 : x
  2. Step 2: Convert to fraction form
    3,949.36/5,451.10 = 2,888.66/x
  3. Step 3: Cross multiply
    3,949.36x = 5,451.10 × 2,888.66
  4. Step 4: Simplify right side
    3,949.36x = 15,746,380.93
  5. Step 5: Solve for x
    x = 15,746,380.93/3,949.36
  6. Step 6: Final answer
    x = 3,987.07

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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.