Home / 2,974.97-4,106.38-1,716.86

Finding the Fourth Proportional to 2,974.97, 4,106.38 and 1,716.86

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Solution

The fourth proportional to 2,974.97, 4,106.38 and 1,716.86 is: 2,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.97 : 4,106.38 = 1,716.86 : x
  2. Step 2: Convert to fraction form
    2,974.97/4,106.38 = 1,716.86/x
  3. Step 3: Cross multiply
    2,974.97x = 4,106.38 × 1,716.86
  4. Step 4: Simplify right side
    2,974.97x = 7,050,079.57
  5. Step 5: Solve for x
    x = 7,050,079.57/2,974.97
  6. Step 6: Final answer
    x = 2,369.80

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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.