Home / 3,282.88-4,530.37-2,105.54

Finding the Fourth Proportional to 3,282.88, 4,530.37 and 2,105.54

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Solution

The fourth proportional to 3,282.88, 4,530.37 and 2,105.54 is: 2,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.88 : 4,530.37 = 2,105.54 : x
  2. Step 2: Convert to fraction form
    3,282.88/4,530.37 = 2,105.54/x
  3. Step 3: Cross multiply
    3,282.88x = 4,530.37 × 2,105.54
  4. Step 4: Simplify right side
    3,282.88x = 9,538,875.25
  5. Step 5: Solve for x
    x = 9,538,875.25/3,282.88
  6. Step 6: Final answer
    x = 2,905.65

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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.