Home / 2,221.92-3,333.32-1,859.24

Finding the Fourth Proportional to 2,221.92, 3,333.32 and 1,859.24

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Solution

The fourth proportional to 2,221.92, 3,333.32 and 1,859.24 is: 2,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.92 : 3,333.32 = 1,859.24 : x
  2. Step 2: Convert to fraction form
    2,221.92/3,333.32 = 1,859.24/x
  3. Step 3: Cross multiply
    2,221.92x = 3,333.32 × 1,859.24
  4. Step 4: Simplify right side
    2,221.92x = 6,197,415.91
  5. Step 5: Solve for x
    x = 6,197,415.91/2,221.92
  6. Step 6: Final answer
    x = 2,789.22

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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.