Home / 3,171.11-4,375.71-1,894.98

Finding the Fourth Proportional to 3,171.11, 4,375.71 and 1,894.98

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Solution

The fourth proportional to 3,171.11, 4,375.71 and 1,894.98 is: 2,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.11 : 4,375.71 = 1,894.98 : x
  2. Step 2: Convert to fraction form
    3,171.11/4,375.71 = 1,894.98/x
  3. Step 3: Cross multiply
    3,171.11x = 4,375.71 × 1,894.98
  4. Step 4: Simplify right side
    3,171.11x = 8,291,890.53
  5. Step 5: Solve for x
    x = 8,291,890.53/3,171.11
  6. Step 6: Final answer
    x = 2,614.82

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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.