Home / 3,276.12-4,911.41-1,329.69

Finding the Fourth Proportional to 3,276.12, 4,911.41 and 1,329.69

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Solution

The fourth proportional to 3,276.12, 4,911.41 and 1,329.69 is: 1,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.12 : 4,911.41 = 1,329.69 : x
  2. Step 2: Convert to fraction form
    3,276.12/4,911.41 = 1,329.69/x
  3. Step 3: Cross multiply
    3,276.12x = 4,911.41 × 1,329.69
  4. Step 4: Simplify right side
    3,276.12x = 6,530,652.76
  5. Step 5: Solve for x
    x = 6,530,652.76/3,276.12
  6. Step 6: Final answer
    x = 1,993.41

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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.