Home / 3,529.97-5,289.84-1,949.00

Finding the Fourth Proportional to 3,529.97, 5,289.84 and 1,949.00

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Solution

The fourth proportional to 3,529.97, 5,289.84 and 1,949.00 is: 2,920.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.97 : 5,289.84 = 1,949.00 : x
  2. Step 2: Convert to fraction form
    3,529.97/5,289.84 = 1,949.00/x
  3. Step 3: Cross multiply
    3,529.97x = 5,289.84 × 1,949.00
  4. Step 4: Simplify right side
    3,529.97x = 10,309,898.86
  5. Step 5: Solve for x
    x = 10,309,898.86/3,529.97
  6. Step 6: Final answer
    x = 2,920.68

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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.