Home / 3,065.40-4,231.14-2,003.33

Finding the Fourth Proportional to 3,065.40, 4,231.14 and 2,003.33

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Solution

The fourth proportional to 3,065.40, 4,231.14 and 2,003.33 is: 2,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.40 : 4,231.14 = 2,003.33 : x
  2. Step 2: Convert to fraction form
    3,065.40/4,231.14 = 2,003.33/x
  3. Step 3: Cross multiply
    3,065.40x = 4,231.14 × 2,003.33
  4. Step 4: Simplify right side
    3,065.40x = 8,476,348.54
  5. Step 5: Solve for x
    x = 8,476,348.54/3,065.40
  6. Step 6: Final answer
    x = 2,765.17

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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.