Home / 2,913.73-4,022.44-1,974.49

Finding the Fourth Proportional to 2,913.73, 4,022.44 and 1,974.49

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Solution

The fourth proportional to 2,913.73, 4,022.44 and 1,974.49 is: 2,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.73 : 4,022.44 = 1,974.49 : x
  2. Step 2: Convert to fraction form
    2,913.73/4,022.44 = 1,974.49/x
  3. Step 3: Cross multiply
    2,913.73x = 4,022.44 × 1,974.49
  4. Step 4: Simplify right side
    2,913.73x = 7,942,257.50
  5. Step 5: Solve for x
    x = 7,942,257.50/2,913.73
  6. Step 6: Final answer
    x = 2,725.80

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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.