Home / 3,823.92-5,273.62-2,761.40

Finding the Fourth Proportional to 3,823.92, 5,273.62 and 2,761.40

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Solution

The fourth proportional to 3,823.92, 5,273.62 and 2,761.40 is: 3,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.92 : 5,273.62 = 2,761.40 : x
  2. Step 2: Convert to fraction form
    3,823.92/5,273.62 = 2,761.40/x
  3. Step 3: Cross multiply
    3,823.92x = 5,273.62 × 2,761.40
  4. Step 4: Simplify right side
    3,823.92x = 14,562,574.27
  5. Step 5: Solve for x
    x = 14,562,574.27/3,823.92
  6. Step 6: Final answer
    x = 3,808.28

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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.