Home / 3,055.82-4,219.83-2,892.14

Finding the Fourth Proportional to 3,055.82, 4,219.83 and 2,892.14

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Solution

The fourth proportional to 3,055.82, 4,219.83 and 2,892.14 is: 3,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.82 : 4,219.83 = 2,892.14 : x
  2. Step 2: Convert to fraction form
    3,055.82/4,219.83 = 2,892.14/x
  3. Step 3: Cross multiply
    3,055.82x = 4,219.83 × 2,892.14
  4. Step 4: Simplify right side
    3,055.82x = 12,204,339.14
  5. Step 5: Solve for x
    x = 12,204,339.14/3,055.82
  6. Step 6: Final answer
    x = 3,993.80

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1.5x scale

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.