Home / 3,091.06-4,628.31-1,627.12

Finding the Fourth Proportional to 3,091.06, 4,628.31 and 1,627.12

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Solution

The fourth proportional to 3,091.06, 4,628.31 and 1,627.12 is: 2,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.06 : 4,628.31 = 1,627.12 : x
  2. Step 2: Convert to fraction form
    3,091.06/4,628.31 = 1,627.12/x
  3. Step 3: Cross multiply
    3,091.06x = 4,628.31 × 1,627.12
  4. Step 4: Simplify right side
    3,091.06x = 7,530,815.77
  5. Step 5: Solve for x
    x = 7,530,815.77/3,091.06
  6. Step 6: Final answer
    x = 2,436.32

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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.