Home / 3,291.06-4,936.07-1,099.79

Finding the Fourth Proportional to 3,291.06, 4,936.07 and 1,099.79

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Solution

The fourth proportional to 3,291.06, 4,936.07 and 1,099.79 is: 1,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.06 : 4,936.07 = 1,099.79 : x
  2. Step 2: Convert to fraction form
    3,291.06/4,936.07 = 1,099.79/x
  3. Step 3: Cross multiply
    3,291.06x = 4,936.07 × 1,099.79
  4. Step 4: Simplify right side
    3,291.06x = 5,428,640.43
  5. Step 5: Solve for x
    x = 5,428,640.43/3,291.06
  6. Step 6: Final answer
    x = 1,649.51

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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.