Home / 3,351.36-5,028.40-1,161.62

Finding the Fourth Proportional to 3,351.36, 5,028.40 and 1,161.62

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Solution

The fourth proportional to 3,351.36, 5,028.40 and 1,161.62 is: 1,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.36 : 5,028.40 = 1,161.62 : x
  2. Step 2: Convert to fraction form
    3,351.36/5,028.40 = 1,161.62/x
  3. Step 3: Cross multiply
    3,351.36x = 5,028.40 × 1,161.62
  4. Step 4: Simplify right side
    3,351.36x = 5,841,090.01
  5. Step 5: Solve for x
    x = 5,841,090.01/3,351.36
  6. Step 6: Final answer
    x = 1,742.90

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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.