Home / 3,351.24-5,028.12-1,403.28

Finding the Fourth Proportional to 3,351.24, 5,028.12 and 1,403.28

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Solution

The fourth proportional to 3,351.24, 5,028.12 and 1,403.28 is: 2,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.24 : 5,028.12 = 1,403.28 : x
  2. Step 2: Convert to fraction form
    3,351.24/5,028.12 = 1,403.28/x
  3. Step 3: Cross multiply
    3,351.24x = 5,028.12 × 1,403.28
  4. Step 4: Simplify right side
    3,351.24x = 7,055,860.23
  5. Step 5: Solve for x
    x = 7,055,860.23/3,351.24
  6. Step 6: Final answer
    x = 2,105.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.