Home / 3,820.86-5,727.29-1,600.96

Finding the Fourth Proportional to 3,820.86, 5,727.29 and 1,600.96

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Solution

The fourth proportional to 3,820.86, 5,727.29 and 1,600.96 is: 2,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.86 : 5,727.29 = 1,600.96 : x
  2. Step 2: Convert to fraction form
    3,820.86/5,727.29 = 1,600.96/x
  3. Step 3: Cross multiply
    3,820.86x = 5,727.29 × 1,600.96
  4. Step 4: Simplify right side
    3,820.86x = 9,169,162.20
  5. Step 5: Solve for x
    x = 9,169,162.20/3,820.86
  6. Step 6: Final answer
    x = 2,399.76

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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.