Home / 3,283.13-4,530.71-2,105.79

Finding the Fourth Proportional to 3,283.13, 4,530.71 and 2,105.79

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Solution

The fourth proportional to 3,283.13, 4,530.71 and 2,105.79 is: 2,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.13 : 4,530.71 = 2,105.79 : x
  2. Step 2: Convert to fraction form
    3,283.13/4,530.71 = 2,105.79/x
  3. Step 3: Cross multiply
    3,283.13x = 4,530.71 × 2,105.79
  4. Step 4: Simplify right side
    3,283.13x = 9,540,729.08
  5. Step 5: Solve for x
    x = 9,540,729.08/3,283.13
  6. Step 6: Final answer
    x = 2,905.99

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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.