Home / 3,309.85-4,962.75-1,336.39

Finding the Fourth Proportional to 3,309.85, 4,962.75 and 1,336.39

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Solution

The fourth proportional to 3,309.85, 4,962.75 and 1,336.39 is: 2,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.85 : 4,962.75 = 1,336.39 : x
  2. Step 2: Convert to fraction form
    3,309.85/4,962.75 = 1,336.39/x
  3. Step 3: Cross multiply
    3,309.85x = 4,962.75 × 1,336.39
  4. Step 4: Simplify right side
    3,309.85x = 6,632,169.47
  5. Step 5: Solve for x
    x = 6,632,169.47/3,309.85
  6. Step 6: Final answer
    x = 2,003.77

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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.