Home / 3,815.37-5,724.87-2,083.95

Finding the Fourth Proportional to 3,815.37, 5,724.87 and 2,083.95

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Solution

The fourth proportional to 3,815.37, 5,724.87 and 2,083.95 is: 3,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.37 : 5,724.87 = 2,083.95 : x
  2. Step 2: Convert to fraction form
    3,815.37/5,724.87 = 2,083.95/x
  3. Step 3: Cross multiply
    3,815.37x = 5,724.87 × 2,083.95
  4. Step 4: Simplify right side
    3,815.37x = 11,930,342.84
  5. Step 5: Solve for x
    x = 11,930,342.84/3,815.37
  6. Step 6: Final answer
    x = 3,126.92

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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.