Home / 3,283.25-4,923.81-1,091.39

Finding the Fourth Proportional to 3,283.25, 4,923.81 and 1,091.39

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Solution

The fourth proportional to 3,283.25, 4,923.81 and 1,091.39 is: 1,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.25 : 4,923.81 = 1,091.39 : x
  2. Step 2: Convert to fraction form
    3,283.25/4,923.81 = 1,091.39/x
  3. Step 3: Cross multiply
    3,283.25x = 4,923.81 × 1,091.39
  4. Step 4: Simplify right side
    3,283.25x = 5,373,809.31
  5. Step 5: Solve for x
    x = 5,373,809.31/3,283.25
  6. Step 6: Final answer
    x = 1,636.73

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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.