Home / 3,361.72-5,045.82-1,631.56

Finding the Fourth Proportional to 3,361.72, 5,045.82 and 1,631.56

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Solution

The fourth proportional to 3,361.72, 5,045.82 and 1,631.56 is: 2,448.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.72 : 5,045.82 = 1,631.56 : x
  2. Step 2: Convert to fraction form
    3,361.72/5,045.82 = 1,631.56/x
  3. Step 3: Cross multiply
    3,361.72x = 5,045.82 × 1,631.56
  4. Step 4: Simplify right side
    3,361.72x = 8,232,558.08
  5. Step 5: Solve for x
    x = 8,232,558.08/3,361.72
  6. Step 6: Final answer
    x = 2,448.91

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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.