Home / 3,468.21-4,786.11-1,976.12

Finding the Fourth Proportional to 3,468.21, 4,786.11 and 1,976.12

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Solution

The fourth proportional to 3,468.21, 4,786.11 and 1,976.12 is: 2,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.21 : 4,786.11 = 1,976.12 : x
  2. Step 2: Convert to fraction form
    3,468.21/4,786.11 = 1,976.12/x
  3. Step 3: Cross multiply
    3,468.21x = 4,786.11 × 1,976.12
  4. Step 4: Simplify right side
    3,468.21x = 9,457,903.76
  5. Step 5: Solve for x
    x = 9,457,903.76/3,468.21
  6. Step 6: Final answer
    x = 2,727.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.