Home / 2,220.17-3,332.55-1,635.82

Finding the Fourth Proportional to 2,220.17, 3,332.55 and 1,635.82

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Solution

The fourth proportional to 2,220.17, 3,332.55 and 1,635.82 is: 2,455.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.17 : 3,332.55 = 1,635.82 : x
  2. Step 2: Convert to fraction form
    2,220.17/3,332.55 = 1,635.82/x
  3. Step 3: Cross multiply
    2,220.17x = 3,332.55 × 1,635.82
  4. Step 4: Simplify right side
    2,220.17x = 5,451,451.94
  5. Step 5: Solve for x
    x = 5,451,451.94/2,220.17
  6. Step 6: Final answer
    x = 2,455.42

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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.