Home / 3,493.40-5,239.64-1,028.48

Finding the Fourth Proportional to 3,493.40, 5,239.64 and 1,028.48

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Solution

The fourth proportional to 3,493.40, 5,239.64 and 1,028.48 is: 1,542.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.40 : 5,239.64 = 1,028.48 : x
  2. Step 2: Convert to fraction form
    3,493.40/5,239.64 = 1,028.48/x
  3. Step 3: Cross multiply
    3,493.40x = 5,239.64 × 1,028.48
  4. Step 4: Simplify right side
    3,493.40x = 5,388,841.32
  5. Step 5: Solve for x
    x = 5,388,841.32/3,493.40
  6. Step 6: Final answer
    x = 1,542.58

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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.