Home / 3,796.47-5,690.93-2,639.79

Finding the Fourth Proportional to 3,796.47, 5,690.93 and 2,639.79

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Solution

The fourth proportional to 3,796.47, 5,690.93 and 2,639.79 is: 3,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,796.47 : 5,690.93 = 2,639.79 : x
  2. Step 2: Convert to fraction form
    3,796.47/5,690.93 = 2,639.79/x
  3. Step 3: Cross multiply
    3,796.47x = 5,690.93 × 2,639.79
  4. Step 4: Simplify right side
    3,796.47x = 15,022,846.91
  5. Step 5: Solve for x
    x = 15,022,846.91/3,796.47
  6. Step 6: Final answer
    x = 3,957.06

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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.