Home / 2,857.04-3,941.30-2,226.44

Finding the Fourth Proportional to 2,857.04, 3,941.30 and 2,226.44

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Solution

The fourth proportional to 2,857.04, 3,941.30 and 2,226.44 is: 3,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.04 : 3,941.30 = 2,226.44 : x
  2. Step 2: Convert to fraction form
    2,857.04/3,941.30 = 2,226.44/x
  3. Step 3: Cross multiply
    2,857.04x = 3,941.30 × 2,226.44
  4. Step 4: Simplify right side
    2,857.04x = 8,775,067.97
  5. Step 5: Solve for x
    x = 8,775,067.97/2,857.04
  6. Step 6: Final answer
    x = 3,071.38

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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.