Home / 2,764.26-4,148.82-1,791.45

Finding the Fourth Proportional to 2,764.26, 4,148.82 and 1,791.45

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Solution

The fourth proportional to 2,764.26, 4,148.82 and 1,791.45 is: 2,688.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.26 : 4,148.82 = 1,791.45 : x
  2. Step 2: Convert to fraction form
    2,764.26/4,148.82 = 1,791.45/x
  3. Step 3: Cross multiply
    2,764.26x = 4,148.82 × 1,791.45
  4. Step 4: Simplify right side
    2,764.26x = 7,432,403.59
  5. Step 5: Solve for x
    x = 7,432,403.59/2,764.26
  6. Step 6: Final answer
    x = 2,688.75

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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.