Home / 3,162.41-4,743.73-1,187.86

Finding the Fourth Proportional to 3,162.41, 4,743.73 and 1,187.86

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Solution

The fourth proportional to 3,162.41, 4,743.73 and 1,187.86 is: 1,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.41 : 4,743.73 = 1,187.86 : x
  2. Step 2: Convert to fraction form
    3,162.41/4,743.73 = 1,187.86/x
  3. Step 3: Cross multiply
    3,162.41x = 4,743.73 × 1,187.86
  4. Step 4: Simplify right side
    3,162.41x = 5,634,887.12
  5. Step 5: Solve for x
    x = 5,634,887.12/3,162.41
  6. Step 6: Final answer
    x = 1,781.83

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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.