Home / 3,319.77-4,969-2,206.62

Finding the Fourth Proportional to 3,319.77, 4,969 and 2,206.62

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Solution

The fourth proportional to 3,319.77, 4,969 and 2,206.62 is: 3,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.77 : 4,969 = 2,206.62 : x
  2. Step 2: Convert to fraction form
    3,319.77/4,969 = 2,206.62/x
  3. Step 3: Cross multiply
    3,319.77x = 4,969 × 2,206.62
  4. Step 4: Simplify right side
    3,319.77x = 10,964,694.78
  5. Step 5: Solve for x
    x = 10,964,694.78/3,319.77
  6. Step 6: Final answer
    x = 3,302.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.