Home / 3,665.21-5,494.36-1,198.31

Finding the Fourth Proportional to 3,665.21, 5,494.36 and 1,198.31

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Solution

The fourth proportional to 3,665.21, 5,494.36 and 1,198.31 is: 1,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.21 : 5,494.36 = 1,198.31 : x
  2. Step 2: Convert to fraction form
    3,665.21/5,494.36 = 1,198.31/x
  3. Step 3: Cross multiply
    3,665.21x = 5,494.36 × 1,198.31
  4. Step 4: Simplify right side
    3,665.21x = 6,583,946.53
  5. Step 5: Solve for x
    x = 6,583,946.53/3,665.21
  6. Step 6: Final answer
    x = 1,796.34

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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.