Home / 3,725.45-5,579.61-2,078.35

Finding the Fourth Proportional to 3,725.45, 5,579.61 and 2,078.35

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Solution

The fourth proportional to 3,725.45, 5,579.61 and 2,078.35 is: 3,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.45 : 5,579.61 = 2,078.35 : x
  2. Step 2: Convert to fraction form
    3,725.45/5,579.61 = 2,078.35/x
  3. Step 3: Cross multiply
    3,725.45x = 5,579.61 × 2,078.35
  4. Step 4: Simplify right side
    3,725.45x = 11,596,382.44
  5. Step 5: Solve for x
    x = 11,596,382.44/3,725.45
  6. Step 6: Final answer
    x = 3,112.75

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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.