Home / 3,309.12-4,965.64-1,335.71

Finding the Fourth Proportional to 3,309.12, 4,965.64 and 1,335.71

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Solution

The fourth proportional to 3,309.12, 4,965.64 and 1,335.71 is: 2,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.12 : 4,965.64 = 1,335.71 : x
  2. Step 2: Convert to fraction form
    3,309.12/4,965.64 = 1,335.71/x
  3. Step 3: Cross multiply
    3,309.12x = 4,965.64 × 1,335.71
  4. Step 4: Simplify right side
    3,309.12x = 6,632,664.08
  5. Step 5: Solve for x
    x = 6,632,664.08/3,309.12
  6. Step 6: Final answer
    x = 2,004.36

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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.