Home / 3,562.20-5,343.30-1,919.52

Finding the Fourth Proportional to 3,562.20, 5,343.30 and 1,919.52

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Solution

The fourth proportional to 3,562.20, 5,343.30 and 1,919.52 is: 2,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.20 : 5,343.30 = 1,919.52 : x
  2. Step 2: Convert to fraction form
    3,562.20/5,343.30 = 1,919.52/x
  3. Step 3: Cross multiply
    3,562.20x = 5,343.30 × 1,919.52
  4. Step 4: Simplify right side
    3,562.20x = 10,256,571.22
  5. Step 5: Solve for x
    x = 10,256,571.22/3,562.20
  6. Step 6: Final answer
    x = 2,879.28

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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.