Home / 3,077.44-4,251.36-2,662.72

Finding the Fourth Proportional to 3,077.44, 4,251.36 and 2,662.72

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Solution

The fourth proportional to 3,077.44, 4,251.36 and 2,662.72 is: 3,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.44 : 4,251.36 = 2,662.72 : x
  2. Step 2: Convert to fraction form
    3,077.44/4,251.36 = 2,662.72/x
  3. Step 3: Cross multiply
    3,077.44x = 4,251.36 × 2,662.72
  4. Step 4: Simplify right side
    3,077.44x = 11,320,181.30
  5. Step 5: Solve for x
    x = 11,320,181.30/3,077.44
  6. Step 6: Final answer
    x = 3,678.44

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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.