Home / 3,996.86-5,995.35-1,531.81

Finding the Fourth Proportional to 3,996.86, 5,995.35 and 1,531.81

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Solution

The fourth proportional to 3,996.86, 5,995.35 and 1,531.81 is: 2,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.86 : 5,995.35 = 1,531.81 : x
  2. Step 2: Convert to fraction form
    3,996.86/5,995.35 = 1,531.81/x
  3. Step 3: Cross multiply
    3,996.86x = 5,995.35 × 1,531.81
  4. Step 4: Simplify right side
    3,996.86x = 9,183,707.11
  5. Step 5: Solve for x
    x = 9,183,707.11/3,996.86
  6. Step 6: Final answer
    x = 2,297.73

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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.