Home / 3,231.64-4,459.62-1,834.48

Finding the Fourth Proportional to 3,231.64, 4,459.62 and 1,834.48

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Solution

The fourth proportional to 3,231.64, 4,459.62 and 1,834.48 is: 2,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.64 : 4,459.62 = 1,834.48 : x
  2. Step 2: Convert to fraction form
    3,231.64/4,459.62 = 1,834.48/x
  3. Step 3: Cross multiply
    3,231.64x = 4,459.62 × 1,834.48
  4. Step 4: Simplify right side
    3,231.64x = 8,181,083.70
  5. Step 5: Solve for x
    x = 8,181,083.70/3,231.64
  6. Step 6: Final answer
    x = 2,531.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.