Home / 3,895.80-5,840.73-1,949.37

Finding the Fourth Proportional to 3,895.80, 5,840.73 and 1,949.37

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Solution

The fourth proportional to 3,895.80, 5,840.73 and 1,949.37 is: 2,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.80 : 5,840.73 = 1,949.37 : x
  2. Step 2: Convert to fraction form
    3,895.80/5,840.73 = 1,949.37/x
  3. Step 3: Cross multiply
    3,895.80x = 5,840.73 × 1,949.37
  4. Step 4: Simplify right side
    3,895.80x = 11,385,743.84
  5. Step 5: Solve for x
    x = 11,385,743.84/3,895.80
  6. Step 6: Final answer
    x = 2,922.57

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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.