Home / 3,928.16-5,887.44-1,845.38

Finding the Fourth Proportional to 3,928.16, 5,887.44 and 1,845.38

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Solution

The fourth proportional to 3,928.16, 5,887.44 and 1,845.38 is: 2,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.16 : 5,887.44 = 1,845.38 : x
  2. Step 2: Convert to fraction form
    3,928.16/5,887.44 = 1,845.38/x
  3. Step 3: Cross multiply
    3,928.16x = 5,887.44 × 1,845.38
  4. Step 4: Simplify right side
    3,928.16x = 10,864,554.80
  5. Step 5: Solve for x
    x = 10,864,554.80/3,928.16
  6. Step 6: Final answer
    x = 2,765.82

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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.