Home / 3,984.37-5,497.80-2,305.64

Finding the Fourth Proportional to 3,984.37, 5,497.80 and 2,305.64

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Solution

The fourth proportional to 3,984.37, 5,497.80 and 2,305.64 is: 3,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.37 : 5,497.80 = 2,305.64 : x
  2. Step 2: Convert to fraction form
    3,984.37/5,497.80 = 2,305.64/x
  3. Step 3: Cross multiply
    3,984.37x = 5,497.80 × 2,305.64
  4. Step 4: Simplify right side
    3,984.37x = 12,675,947.59
  5. Step 5: Solve for x
    x = 12,675,947.59/3,984.37
  6. Step 6: Final answer
    x = 3,181.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.