Home / 1,629.58-2,438.68-1,333.66

Finding the Fourth Proportional to 1,629.58, 2,438.68 and 1,333.66

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Solution

The fourth proportional to 1,629.58, 2,438.68 and 1,333.66 is: 1,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.58 : 2,438.68 = 1,333.66 : x
  2. Step 2: Convert to fraction form
    1,629.58/2,438.68 = 1,333.66/x
  3. Step 3: Cross multiply
    1,629.58x = 2,438.68 × 1,333.66
  4. Step 4: Simplify right side
    1,629.58x = 3,252,369.97
  5. Step 5: Solve for x
    x = 3,252,369.97/1,629.58
  6. Step 6: Final answer
    x = 1,995.83

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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.