Home / 2,764.42-4,143.52-1,202.09

Finding the Fourth Proportional to 2,764.42, 4,143.52 and 1,202.09

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Solution

The fourth proportional to 2,764.42, 4,143.52 and 1,202.09 is: 1,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.42 : 4,143.52 = 1,202.09 : x
  2. Step 2: Convert to fraction form
    2,764.42/4,143.52 = 1,202.09/x
  3. Step 3: Cross multiply
    2,764.42x = 4,143.52 × 1,202.09
  4. Step 4: Simplify right side
    2,764.42x = 4,980,860.23
  5. Step 5: Solve for x
    x = 4,980,860.23/2,764.42
  6. Step 6: Final answer
    x = 1,801.78

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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.