Home / 3,185.29-4,778.18-1,336.14

Finding the Fourth Proportional to 3,185.29, 4,778.18 and 1,336.14

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Solution

The fourth proportional to 3,185.29, 4,778.18 and 1,336.14 is: 2,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.29 : 4,778.18 = 1,336.14 : x
  2. Step 2: Convert to fraction form
    3,185.29/4,778.18 = 1,336.14/x
  3. Step 3: Cross multiply
    3,185.29x = 4,778.18 × 1,336.14
  4. Step 4: Simplify right side
    3,185.29x = 6,384,317.43
  5. Step 5: Solve for x
    x = 6,384,317.43/3,185.29
  6. Step 6: Final answer
    x = 2,004.31

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1.5x scale

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.