Home / 3,179.64-4,768.92-1,230.84

Finding the Fourth Proportional to 3,179.64, 4,768.92 and 1,230.84

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Solution

The fourth proportional to 3,179.64, 4,768.92 and 1,230.84 is: 1,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.64 : 4,768.92 = 1,230.84 : x
  2. Step 2: Convert to fraction form
    3,179.64/4,768.92 = 1,230.84/x
  3. Step 3: Cross multiply
    3,179.64x = 4,768.92 × 1,230.84
  4. Step 4: Simplify right side
    3,179.64x = 5,869,777.49
  5. Step 5: Solve for x
    x = 5,869,777.49/3,179.64
  6. Step 6: Final answer
    x = 1,846.05

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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.