Home / 3,091.81-4,266.77-1,694.56

Finding the Fourth Proportional to 3,091.81, 4,266.77 and 1,694.56

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Solution

The fourth proportional to 3,091.81, 4,266.77 and 1,694.56 is: 2,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.81 : 4,266.77 = 1,694.56 : x
  2. Step 2: Convert to fraction form
    3,091.81/4,266.77 = 1,694.56/x
  3. Step 3: Cross multiply
    3,091.81x = 4,266.77 × 1,694.56
  4. Step 4: Simplify right side
    3,091.81x = 7,230,297.77
  5. Step 5: Solve for x
    x = 7,230,297.77/3,091.81
  6. Step 6: Final answer
    x = 2,338.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.