Home / 3,298.87-4,949.03-1,107.54

Finding the Fourth Proportional to 3,298.87, 4,949.03 and 1,107.54

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Solution

The fourth proportional to 3,298.87, 4,949.03 and 1,107.54 is: 1,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.87 : 4,949.03 = 1,107.54 : x
  2. Step 2: Convert to fraction form
    3,298.87/4,949.03 = 1,107.54/x
  3. Step 3: Cross multiply
    3,298.87x = 4,949.03 × 1,107.54
  4. Step 4: Simplify right side
    3,298.87x = 5,481,254.50
  5. Step 5: Solve for x
    x = 5,481,254.50/3,298.87
  6. Step 6: Final answer
    x = 1,661.55

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1.5x scale

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.