Home / 3,211.45-4,816.40-1,236.33

Finding the Fourth Proportional to 3,211.45, 4,816.40 and 1,236.33

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Solution

The fourth proportional to 3,211.45, 4,816.40 and 1,236.33 is: 1,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.45 : 4,816.40 = 1,236.33 : x
  2. Step 2: Convert to fraction form
    3,211.45/4,816.40 = 1,236.33/x
  3. Step 3: Cross multiply
    3,211.45x = 4,816.40 × 1,236.33
  4. Step 4: Simplify right side
    3,211.45x = 5,954,653.63
  5. Step 5: Solve for x
    x = 5,954,653.63/3,211.45
  6. Step 6: Final answer
    x = 1,854.20

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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.