Home / 2,999.36-4,501.49-2,122.71

Finding the Fourth Proportional to 2,999.36, 4,501.49 and 2,122.71

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Solution

The fourth proportional to 2,999.36, 4,501.49 and 2,122.71 is: 3,185.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.36 : 4,501.49 = 2,122.71 : x
  2. Step 2: Convert to fraction form
    2,999.36/4,501.49 = 2,122.71/x
  3. Step 3: Cross multiply
    2,999.36x = 4,501.49 × 2,122.71
  4. Step 4: Simplify right side
    2,999.36x = 9,555,383.21
  5. Step 5: Solve for x
    x = 9,555,383.21/2,999.36
  6. Step 6: Final answer
    x = 3,185.81

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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.