Home / 2,857.20-4,282.83-1,102.02

Finding the Fourth Proportional to 2,857.20, 4,282.83 and 1,102.02

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Solution

The fourth proportional to 2,857.20, 4,282.83 and 1,102.02 is: 1,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.20 : 4,282.83 = 1,102.02 : x
  2. Step 2: Convert to fraction form
    2,857.20/4,282.83 = 1,102.02/x
  3. Step 3: Cross multiply
    2,857.20x = 4,282.83 × 1,102.02
  4. Step 4: Simplify right side
    2,857.20x = 4,719,764.32
  5. Step 5: Solve for x
    x = 4,719,764.32/2,857.20
  6. Step 6: Final answer
    x = 1,651.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.