Home / 2,144.34-3,208.97-1,855.24

Finding the Fourth Proportional to 2,144.34, 3,208.97 and 1,855.24

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Solution

The fourth proportional to 2,144.34, 3,208.97 and 1,855.24 is: 2,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.34 : 3,208.97 = 1,855.24 : x
  2. Step 2: Convert to fraction form
    2,144.34/3,208.97 = 1,855.24/x
  3. Step 3: Cross multiply
    2,144.34x = 3,208.97 × 1,855.24
  4. Step 4: Simplify right side
    2,144.34x = 5,953,406.12
  5. Step 5: Solve for x
    x = 5,953,406.12/2,144.34
  6. Step 6: Final answer
    x = 2,776.33

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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.