Home / 3,571.19-5,356.89-1,072.34

Finding the Fourth Proportional to 3,571.19, 5,356.89 and 1,072.34

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Solution

The fourth proportional to 3,571.19, 5,356.89 and 1,072.34 is: 1,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.19 : 5,356.89 = 1,072.34 : x
  2. Step 2: Convert to fraction form
    3,571.19/5,356.89 = 1,072.34/x
  3. Step 3: Cross multiply
    3,571.19x = 5,356.89 × 1,072.34
  4. Step 4: Simplify right side
    3,571.19x = 5,744,380.64
  5. Step 5: Solve for x
    x = 5,744,380.64/3,571.19
  6. Step 6: Final answer
    x = 1,608.54

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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.