Home / 3,299.80-4,953.30-2,068.60

Finding the Fourth Proportional to 3,299.80, 4,953.30 and 2,068.60

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Solution

The fourth proportional to 3,299.80, 4,953.30 and 2,068.60 is: 3,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.80 : 4,953.30 = 2,068.60 : x
  2. Step 2: Convert to fraction form
    3,299.80/4,953.30 = 2,068.60/x
  3. Step 3: Cross multiply
    3,299.80x = 4,953.30 × 2,068.60
  4. Step 4: Simplify right side
    3,299.80x = 10,246,396.38
  5. Step 5: Solve for x
    x = 10,246,396.38/3,299.80
  6. Step 6: Final answer
    x = 3,105.16

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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.