Home / 3,571.05-5,355.63-1,622.82

Finding the Fourth Proportional to 3,571.05, 5,355.63 and 1,622.82

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Solution

The fourth proportional to 3,571.05, 5,355.63 and 1,622.82 is: 2,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.05 : 5,355.63 = 1,622.82 : x
  2. Step 2: Convert to fraction form
    3,571.05/5,355.63 = 1,622.82/x
  3. Step 3: Cross multiply
    3,571.05x = 5,355.63 × 1,622.82
  4. Step 4: Simplify right side
    3,571.05x = 8,691,223.48
  5. Step 5: Solve for x
    x = 8,691,223.48/3,571.05
  6. Step 6: Final answer
    x = 2,433.80

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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.