Home / 2,399.12-3,600.62-2,122.19

Finding the Fourth Proportional to 2,399.12, 3,600.62 and 2,122.19

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Solution

The fourth proportional to 2,399.12, 3,600.62 and 2,122.19 is: 3,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.12 : 3,600.62 = 2,122.19 : x
  2. Step 2: Convert to fraction form
    2,399.12/3,600.62 = 2,122.19/x
  3. Step 3: Cross multiply
    2,399.12x = 3,600.62 × 2,122.19
  4. Step 4: Simplify right side
    2,399.12x = 7,641,189.15
  5. Step 5: Solve for x
    x = 7,641,189.15/2,399.12
  6. Step 6: Final answer
    x = 3,185.00

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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.