Home / 3,085.79-4,629.48-1,236.96

Finding the Fourth Proportional to 3,085.79, 4,629.48 and 1,236.96

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Solution

The fourth proportional to 3,085.79, 4,629.48 and 1,236.96 is: 1,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085.79 : 4,629.48 = 1,236.96 : x
  2. Step 2: Convert to fraction form
    3,085.79/4,629.48 = 1,236.96/x
  3. Step 3: Cross multiply
    3,085.79x = 4,629.48 × 1,236.96
  4. Step 4: Simplify right side
    3,085.79x = 5,726,481.58
  5. Step 5: Solve for x
    x = 5,726,481.58/3,085.79
  6. Step 6: Final answer
    x = 1,855.76

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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.