Home / 3,571.22-5,356.85-1,262.72

Finding the Fourth Proportional to 3,571.22, 5,356.85 and 1,262.72

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Solution

The fourth proportional to 3,571.22, 5,356.85 and 1,262.72 is: 1,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.22 : 5,356.85 = 1,262.72 : x
  2. Step 2: Convert to fraction form
    3,571.22/5,356.85 = 1,262.72/x
  3. Step 3: Cross multiply
    3,571.22x = 5,356.85 × 1,262.72
  4. Step 4: Simplify right side
    3,571.22x = 6,764,201.63
  5. Step 5: Solve for x
    x = 6,764,201.63/3,571.22
  6. Step 6: Final answer
    x = 1,894.09

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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.