Home / 3,211.07-4,817.34-1,236.98

Finding the Fourth Proportional to 3,211.07, 4,817.34 and 1,236.98

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Solution

The fourth proportional to 3,211.07, 4,817.34 and 1,236.98 is: 1,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.07 : 4,817.34 = 1,236.98 : x
  2. Step 2: Convert to fraction form
    3,211.07/4,817.34 = 1,236.98/x
  3. Step 3: Cross multiply
    3,211.07x = 4,817.34 × 1,236.98
  4. Step 4: Simplify right side
    3,211.07x = 5,958,929.15
  5. Step 5: Solve for x
    x = 5,958,929.15/3,211.07
  6. Step 6: Final answer
    x = 1,855.75

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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.