Home / 2,117.73-3,163.71-1,371.25

Finding the Fourth Proportional to 2,117.73, 3,163.71 and 1,371.25

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Solution

The fourth proportional to 2,117.73, 3,163.71 and 1,371.25 is: 2,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.73 : 3,163.71 = 1,371.25 : x
  2. Step 2: Convert to fraction form
    2,117.73/3,163.71 = 1,371.25/x
  3. Step 3: Cross multiply
    2,117.73x = 3,163.71 × 1,371.25
  4. Step 4: Simplify right side
    2,117.73x = 4,338,247.62
  5. Step 5: Solve for x
    x = 4,338,247.62/2,117.73
  6. Step 6: Final answer
    x = 2,048.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.