Home / 3,744.80-5,618.73-1,553.12

Finding the Fourth Proportional to 3,744.80, 5,618.73 and 1,553.12

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Solution

The fourth proportional to 3,744.80, 5,618.73 and 1,553.12 is: 2,330.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.80 : 5,618.73 = 1,553.12 : x
  2. Step 2: Convert to fraction form
    3,744.80/5,618.73 = 1,553.12/x
  3. Step 3: Cross multiply
    3,744.80x = 5,618.73 × 1,553.12
  4. Step 4: Simplify right side
    3,744.80x = 8,726,561.94
  5. Step 5: Solve for x
    x = 8,726,561.94/3,744.80
  6. Step 6: Final answer
    x = 2,330.31

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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.