Home / 3,113.73-4,295.70-1,934.37

Finding the Fourth Proportional to 3,113.73, 4,295.70 and 1,934.37

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Solution

The fourth proportional to 3,113.73, 4,295.70 and 1,934.37 is: 2,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.73 : 4,295.70 = 1,934.37 : x
  2. Step 2: Convert to fraction form
    3,113.73/4,295.70 = 1,934.37/x
  3. Step 3: Cross multiply
    3,113.73x = 4,295.70 × 1,934.37
  4. Step 4: Simplify right side
    3,113.73x = 8,309,473.21
  5. Step 5: Solve for x
    x = 8,309,473.21/3,113.73
  6. Step 6: Final answer
    x = 2,668.66

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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.