Home / 2,225.82-3,335.34-1,761.66

Finding the Fourth Proportional to 2,225.82, 3,335.34 and 1,761.66

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Solution

The fourth proportional to 2,225.82, 3,335.34 and 1,761.66 is: 2,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.82 : 3,335.34 = 1,761.66 : x
  2. Step 2: Convert to fraction form
    2,225.82/3,335.34 = 1,761.66/x
  3. Step 3: Cross multiply
    2,225.82x = 3,335.34 × 1,761.66
  4. Step 4: Simplify right side
    2,225.82x = 5,875,735.06
  5. Step 5: Solve for x
    x = 5,875,735.06/2,225.82
  6. Step 6: Final answer
    x = 2,639.81

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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.