Home / 3,261.30-4,880.97-2,991.54

Finding the Fourth Proportional to 3,261.30, 4,880.97 and 2,991.54

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Solution

The fourth proportional to 3,261.30, 4,880.97 and 2,991.54 is: 4,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.30 : 4,880.97 = 2,991.54 : x
  2. Step 2: Convert to fraction form
    3,261.30/4,880.97 = 2,991.54/x
  3. Step 3: Cross multiply
    3,261.30x = 4,880.97 × 2,991.54
  4. Step 4: Simplify right side
    3,261.30x = 14,601,616.99
  5. Step 5: Solve for x
    x = 14,601,616.99/3,261.30
  6. Step 6: Final answer
    x = 4,477.24

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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.