Home / 2,825.08-4,238.22-2,309.80

Finding the Fourth Proportional to 2,825.08, 4,238.22 and 2,309.80

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Solution

The fourth proportional to 2,825.08, 4,238.22 and 2,309.80 is: 3,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.08 : 4,238.22 = 2,309.80 : x
  2. Step 2: Convert to fraction form
    2,825.08/4,238.22 = 2,309.80/x
  3. Step 3: Cross multiply
    2,825.08x = 4,238.22 × 2,309.80
  4. Step 4: Simplify right side
    2,825.08x = 9,789,440.56
  5. Step 5: Solve for x
    x = 9,789,440.56/2,825.08
  6. Step 6: Final answer
    x = 3,465.19

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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.