Home / 2,680.86-4,022.11-1,293.94

Finding the Fourth Proportional to 2,680.86, 4,022.11 and 1,293.94

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Solution

The fourth proportional to 2,680.86, 4,022.11 and 1,293.94 is: 1,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.86 : 4,022.11 = 1,293.94 : x
  2. Step 2: Convert to fraction form
    2,680.86/4,022.11 = 1,293.94/x
  3. Step 3: Cross multiply
    2,680.86x = 4,022.11 × 1,293.94
  4. Step 4: Simplify right side
    2,680.86x = 5,204,352.49
  5. Step 5: Solve for x
    x = 5,204,352.49/2,680.86
  6. Step 6: Final answer
    x = 1,941.30

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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.