Home / 2,221.78-3,332.67-1,735.24

Finding the Fourth Proportional to 2,221.78, 3,332.67 and 1,735.24

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Solution

The fourth proportional to 2,221.78, 3,332.67 and 1,735.24 is: 2,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.78 : 3,332.67 = 1,735.24 : x
  2. Step 2: Convert to fraction form
    2,221.78/3,332.67 = 1,735.24/x
  3. Step 3: Cross multiply
    2,221.78x = 3,332.67 × 1,735.24
  4. Step 4: Simplify right side
    2,221.78x = 5,782,982.29
  5. Step 5: Solve for x
    x = 5,782,982.29/2,221.78
  6. Step 6: Final answer
    x = 2,602.86

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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.