Home / 3,400.45-5,099.46-1,091.95

Finding the Fourth Proportional to 3,400.45, 5,099.46 and 1,091.95

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Solution

The fourth proportional to 3,400.45, 5,099.46 and 1,091.95 is: 1,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.45 : 5,099.46 = 1,091.95 : x
  2. Step 2: Convert to fraction form
    3,400.45/5,099.46 = 1,091.95/x
  3. Step 3: Cross multiply
    3,400.45x = 5,099.46 × 1,091.95
  4. Step 4: Simplify right side
    3,400.45x = 5,568,355.35
  5. Step 5: Solve for x
    x = 5,568,355.35/3,400.45
  6. Step 6: Final answer
    x = 1,637.53

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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.