Home / 1,310.26-1,965.39-336.37

Finding the Fourth Proportional to 1,310.26, 1,965.39 and 336.37

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Solution

The fourth proportional to 1,310.26, 1,965.39 and 336.37 is: 504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310.26 : 1,965.39 = 336.37 : x
  2. Step 2: Convert to fraction form
    1,310.26/1,965.39 = 336.37/x
  3. Step 3: Cross multiply
    1,310.26x = 1,965.39 × 336.37
  4. Step 4: Simplify right side
    1,310.26x = 661,098.23
  5. Step 5: Solve for x
    x = 661,098.23/1,310.26
  6. Step 6: Final answer
    x = 504.56

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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.