Home / 3,311.78-4,968.58-2,949.08

Finding the Fourth Proportional to 3,311.78, 4,968.58 and 2,949.08

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Solution

The fourth proportional to 3,311.78, 4,968.58 and 2,949.08 is: 4,424.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.78 : 4,968.58 = 2,949.08 : x
  2. Step 2: Convert to fraction form
    3,311.78/4,968.58 = 2,949.08/x
  3. Step 3: Cross multiply
    3,311.78x = 4,968.58 × 2,949.08
  4. Step 4: Simplify right side
    3,311.78x = 14,652,739.91
  5. Step 5: Solve for x
    x = 14,652,739.91/3,311.78
  6. Step 6: Final answer
    x = 4,424.43

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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.