Home / 1,336.23-2,007.18-1,299.78

Finding the Fourth Proportional to 1,336.23, 2,007.18 and 1,299.78

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Solution

The fourth proportional to 1,336.23, 2,007.18 and 1,299.78 is: 1,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.23 : 2,007.18 = 1,299.78 : x
  2. Step 2: Convert to fraction form
    1,336.23/2,007.18 = 1,299.78/x
  3. Step 3: Cross multiply
    1,336.23x = 2,007.18 × 1,299.78
  4. Step 4: Simplify right side
    1,336.23x = 2,608,892.42
  5. Step 5: Solve for x
    x = 2,608,892.42/1,336.23
  6. Step 6: Final answer
    x = 1,952.43

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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.