Home / 3,321.09-4,584.75-2,331.63

Finding the Fourth Proportional to 3,321.09, 4,584.75 and 2,331.63

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Solution

The fourth proportional to 3,321.09, 4,584.75 and 2,331.63 is: 3,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.09 : 4,584.75 = 2,331.63 : x
  2. Step 2: Convert to fraction form
    3,321.09/4,584.75 = 2,331.63/x
  3. Step 3: Cross multiply
    3,321.09x = 4,584.75 × 2,331.63
  4. Step 4: Simplify right side
    3,321.09x = 10,689,940.64
  5. Step 5: Solve for x
    x = 10,689,940.64/3,321.09
  6. Step 6: Final answer
    x = 3,218.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.