Home / 3,797.77-5,243.30-2,911.87

Finding the Fourth Proportional to 3,797.77, 5,243.30 and 2,911.87

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Solution

The fourth proportional to 3,797.77, 5,243.30 and 2,911.87 is: 4,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.77 : 5,243.30 = 2,911.87 : x
  2. Step 2: Convert to fraction form
    3,797.77/5,243.30 = 2,911.87/x
  3. Step 3: Cross multiply
    3,797.77x = 5,243.30 × 2,911.87
  4. Step 4: Simplify right side
    3,797.77x = 15,267,807.97
  5. Step 5: Solve for x
    x = 15,267,807.97/3,797.77
  6. Step 6: Final answer
    x = 4,020.20

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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.