Home / 3,698.86-5,104.43-2,126.95

Finding the Fourth Proportional to 3,698.86, 5,104.43 and 2,126.95

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Solution

The fourth proportional to 3,698.86, 5,104.43 and 2,126.95 is: 2,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.86 : 5,104.43 = 2,126.95 : x
  2. Step 2: Convert to fraction form
    3,698.86/5,104.43 = 2,126.95/x
  3. Step 3: Cross multiply
    3,698.86x = 5,104.43 × 2,126.95
  4. Step 4: Simplify right side
    3,698.86x = 10,856,874.70
  5. Step 5: Solve for x
    x = 10,856,874.70/3,698.86
  6. Step 6: Final answer
    x = 2,935.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.