Home / 2,179.17-3,262.21-1,629.99

Finding the Fourth Proportional to 2,179.17, 3,262.21 and 1,629.99

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Solution

The fourth proportional to 2,179.17, 3,262.21 and 1,629.99 is: 2,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.17 : 3,262.21 = 1,629.99 : x
  2. Step 2: Convert to fraction form
    2,179.17/3,262.21 = 1,629.99/x
  3. Step 3: Cross multiply
    2,179.17x = 3,262.21 × 1,629.99
  4. Step 4: Simplify right side
    2,179.17x = 5,317,365.60
  5. Step 5: Solve for x
    x = 5,317,365.60/2,179.17
  6. Step 6: Final answer
    x = 2,440.09

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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.