Home / 3,739.44-5,582.80-2,857.28

Finding the Fourth Proportional to 3,739.44, 5,582.80 and 2,857.28

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Solution

The fourth proportional to 3,739.44, 5,582.80 and 2,857.28 is: 4,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.44 : 5,582.80 = 2,857.28 : x
  2. Step 2: Convert to fraction form
    3,739.44/5,582.80 = 2,857.28/x
  3. Step 3: Cross multiply
    3,739.44x = 5,582.80 × 2,857.28
  4. Step 4: Simplify right side
    3,739.44x = 15,951,622.78
  5. Step 5: Solve for x
    x = 15,951,622.78/3,739.44
  6. Step 6: Final answer
    x = 4,265.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.