Home / 2,122.08-3,177.36-1,633.68

Finding the Fourth Proportional to 2,122.08, 3,177.36 and 1,633.68

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Solution

The fourth proportional to 2,122.08, 3,177.36 and 1,633.68 is: 2,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.08 : 3,177.36 = 1,633.68 : x
  2. Step 2: Convert to fraction form
    2,122.08/3,177.36 = 1,633.68/x
  3. Step 3: Cross multiply
    2,122.08x = 3,177.36 × 1,633.68
  4. Step 4: Simplify right side
    2,122.08x = 5,190,789.48
  5. Step 5: Solve for x
    x = 5,190,789.48/2,122.08
  6. Step 6: Final answer
    x = 2,446.09

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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.