Home / 3,231.80-4,459.84-1,834.46

Finding the Fourth Proportional to 3,231.80, 4,459.84 and 1,834.46

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Solution

The fourth proportional to 3,231.80, 4,459.84 and 1,834.46 is: 2,531.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.80 : 4,459.84 = 1,834.46 : x
  2. Step 2: Convert to fraction form
    3,231.80/4,459.84 = 1,834.46/x
  3. Step 3: Cross multiply
    3,231.80x = 4,459.84 × 1,834.46
  4. Step 4: Simplify right side
    3,231.80x = 8,181,371.20
  5. Step 5: Solve for x
    x = 8,181,371.20/3,231.80
  6. Step 6: Final answer
    x = 2,531.53

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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.