Home / 3,281.86-4,528.94-1,789.77

Finding the Fourth Proportional to 3,281.86, 4,528.94 and 1,789.77

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Solution

The fourth proportional to 3,281.86, 4,528.94 and 1,789.77 is: 2,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.86 : 4,528.94 = 1,789.77 : x
  2. Step 2: Convert to fraction form
    3,281.86/4,528.94 = 1,789.77/x
  3. Step 3: Cross multiply
    3,281.86x = 4,528.94 × 1,789.77
  4. Step 4: Simplify right side
    3,281.86x = 8,105,738.30
  5. Step 5: Solve for x
    x = 8,105,738.30/3,281.86
  6. Step 6: Final answer
    x = 2,469.86

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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.