Home / 3,309.92-4,567.67-1,817.85

Finding the Fourth Proportional to 3,309.92, 4,567.67 and 1,817.85

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Solution

The fourth proportional to 3,309.92, 4,567.67 and 1,817.85 is: 2,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.92 : 4,567.67 = 1,817.85 : x
  2. Step 2: Convert to fraction form
    3,309.92/4,567.67 = 1,817.85/x
  3. Step 3: Cross multiply
    3,309.92x = 4,567.67 × 1,817.85
  4. Step 4: Simplify right side
    3,309.92x = 8,303,353.77
  5. Step 5: Solve for x
    x = 8,303,353.77/3,309.92
  6. Step 6: Final answer
    x = 2,508.63

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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.