Home / 2,769.40-4,149.06-1,611.64

Finding the Fourth Proportional to 2,769.40, 4,149.06 and 1,611.64

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Solution

The fourth proportional to 2,769.40, 4,149.06 and 1,611.64 is: 2,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.40 : 4,149.06 = 1,611.64 : x
  2. Step 2: Convert to fraction form
    2,769.40/4,149.06 = 1,611.64/x
  3. Step 3: Cross multiply
    2,769.40x = 4,149.06 × 1,611.64
  4. Step 4: Simplify right side
    2,769.40x = 6,686,791.06
  5. Step 5: Solve for x
    x = 6,686,791.06/2,769.40
  6. Step 6: Final answer
    x = 2,414.53

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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.