Home / 3,185.47-4,777.61-1,336.08

Finding the Fourth Proportional to 3,185.47, 4,777.61 and 1,336.08

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Solution

The fourth proportional to 3,185.47, 4,777.61 and 1,336.08 is: 2,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.47 : 4,777.61 = 1,336.08 : x
  2. Step 2: Convert to fraction form
    3,185.47/4,777.61 = 1,336.08/x
  3. Step 3: Cross multiply
    3,185.47x = 4,777.61 × 1,336.08
  4. Step 4: Simplify right side
    3,185.47x = 6,383,269.17
  5. Step 5: Solve for x
    x = 6,383,269.17/3,185.47
  6. Step 6: Final answer
    x = 2,003.87

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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.