Home / 3,309.51-4,966.20-1,336.09

Finding the Fourth Proportional to 3,309.51, 4,966.20 and 1,336.09

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Solution

The fourth proportional to 3,309.51, 4,966.20 and 1,336.09 is: 2,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.51 : 4,966.20 = 1,336.09 : x
  2. Step 2: Convert to fraction form
    3,309.51/4,966.20 = 1,336.09/x
  3. Step 3: Cross multiply
    3,309.51x = 4,966.20 × 1,336.09
  4. Step 4: Simplify right side
    3,309.51x = 6,635,277.74
  5. Step 5: Solve for x
    x = 6,635,277.74/3,309.51
  6. Step 6: Final answer
    x = 2,004.91

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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.