Home / 3,351.20-5,028.76-1,403.24

Finding the Fourth Proportional to 3,351.20, 5,028.76 and 1,403.24

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Solution

The fourth proportional to 3,351.20, 5,028.76 and 1,403.24 is: 2,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.20 : 5,028.76 = 1,403.24 : x
  2. Step 2: Convert to fraction form
    3,351.20/5,028.76 = 1,403.24/x
  3. Step 3: Cross multiply
    3,351.20x = 5,028.76 × 1,403.24
  4. Step 4: Simplify right side
    3,351.20x = 7,056,557.18
  5. Step 5: Solve for x
    x = 7,056,557.18/3,351.20
  6. Step 6: Final answer
    x = 2,105.68

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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.