Home / 3,727.12-5,593.20-1,418.56

Finding the Fourth Proportional to 3,727.12, 5,593.20 and 1,418.56

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Solution

The fourth proportional to 3,727.12, 5,593.20 and 1,418.56 is: 2,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.12 : 5,593.20 = 1,418.56 : x
  2. Step 2: Convert to fraction form
    3,727.12/5,593.20 = 1,418.56/x
  3. Step 3: Cross multiply
    3,727.12x = 5,593.20 × 1,418.56
  4. Step 4: Simplify right side
    3,727.12x = 7,934,289.79
  5. Step 5: Solve for x
    x = 7,934,289.79/3,727.12
  6. Step 6: Final answer
    x = 2,128.80

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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.