Home / 2,154.36-3,227.91-982.44

Finding the Fourth Proportional to 2,154.36, 3,227.91 and 982.44

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Solution

The fourth proportional to 2,154.36, 3,227.91 and 982.44 is: 1,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.36 : 3,227.91 = 982.44 : x
  2. Step 2: Convert to fraction form
    2,154.36/3,227.91 = 982.44/x
  3. Step 3: Cross multiply
    2,154.36x = 3,227.91 × 982.44
  4. Step 4: Simplify right side
    2,154.36x = 3,171,227.90
  5. Step 5: Solve for x
    x = 3,171,227.90/2,154.36
  6. Step 6: Final answer
    x = 1,472.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.