Home / 2,930.39-4,043.99-2,092.52

Finding the Fourth Proportional to 2,930.39, 4,043.99 and 2,092.52

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Solution

The fourth proportional to 2,930.39, 4,043.99 and 2,092.52 is: 2,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.39 : 4,043.99 = 2,092.52 : x
  2. Step 2: Convert to fraction form
    2,930.39/4,043.99 = 2,092.52/x
  3. Step 3: Cross multiply
    2,930.39x = 4,043.99 × 2,092.52
  4. Step 4: Simplify right side
    2,930.39x = 8,462,109.38
  5. Step 5: Solve for x
    x = 8,462,109.38/2,930.39
  6. Step 6: Final answer
    x = 2,887.71

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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.