Home / 3,281.66-4,528.59-1,789.57

Finding the Fourth Proportional to 3,281.66, 4,528.59 and 1,789.57

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Solution

The fourth proportional to 3,281.66, 4,528.59 and 1,789.57 is: 2,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.66 : 4,528.59 = 1,789.57 : x
  2. Step 2: Convert to fraction form
    3,281.66/4,528.59 = 1,789.57/x
  3. Step 3: Cross multiply
    3,281.66x = 4,528.59 × 1,789.57
  4. Step 4: Simplify right side
    3,281.66x = 8,104,233.28
  5. Step 5: Solve for x
    x = 8,104,233.28/3,281.66
  6. Step 6: Final answer
    x = 2,469.56

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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.