Home / 3,388.49-5,083.37-1,539.73

Finding the Fourth Proportional to 3,388.49, 5,083.37 and 1,539.73

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Solution

The fourth proportional to 3,388.49, 5,083.37 and 1,539.73 is: 2,309.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.49 : 5,083.37 = 1,539.73 : x
  2. Step 2: Convert to fraction form
    3,388.49/5,083.37 = 1,539.73/x
  3. Step 3: Cross multiply
    3,388.49x = 5,083.37 × 1,539.73
  4. Step 4: Simplify right side
    3,388.49x = 7,827,017.29
  5. Step 5: Solve for x
    x = 7,827,017.29/3,388.49
  6. Step 6: Final answer
    x = 2,309.88

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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.