Home / 3,185.21-4,776.91-1,236.96

Finding the Fourth Proportional to 3,185.21, 4,776.91 and 1,236.96

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Solution

The fourth proportional to 3,185.21, 4,776.91 and 1,236.96 is: 1,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.21 : 4,776.91 = 1,236.96 : x
  2. Step 2: Convert to fraction form
    3,185.21/4,776.91 = 1,236.96/x
  3. Step 3: Cross multiply
    3,185.21x = 4,776.91 × 1,236.96
  4. Step 4: Simplify right side
    3,185.21x = 5,908,843.50
  5. Step 5: Solve for x
    x = 5,908,843.50/3,185.21
  6. Step 6: Final answer
    x = 1,855.09

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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.