Home / 3,281.29-4,528.12-1,789.22

Finding the Fourth Proportional to 3,281.29, 4,528.12 and 1,789.22

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Solution

The fourth proportional to 3,281.29, 4,528.12 and 1,789.22 is: 2,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.29 : 4,528.12 = 1,789.22 : x
  2. Step 2: Convert to fraction form
    3,281.29/4,528.12 = 1,789.22/x
  3. Step 3: Cross multiply
    3,281.29x = 4,528.12 × 1,789.22
  4. Step 4: Simplify right side
    3,281.29x = 8,101,802.87
  5. Step 5: Solve for x
    x = 8,101,802.87/3,281.29
  6. Step 6: Final answer
    x = 2,469.09

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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.