Home / 3,419.15-5,129.24-1,198.58

Finding the Fourth Proportional to 3,419.15, 5,129.24 and 1,198.58

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Solution

The fourth proportional to 3,419.15, 5,129.24 and 1,198.58 is: 1,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.15 : 5,129.24 = 1,198.58 : x
  2. Step 2: Convert to fraction form
    3,419.15/5,129.24 = 1,198.58/x
  3. Step 3: Cross multiply
    3,419.15x = 5,129.24 × 1,198.58
  4. Step 4: Simplify right side
    3,419.15x = 6,147,772.84
  5. Step 5: Solve for x
    x = 6,147,772.84/3,419.15
  6. Step 6: Final answer
    x = 1,798.04

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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.