Home / 3,784.68-5,222.57-2,106.16

Finding the Fourth Proportional to 3,784.68, 5,222.57 and 2,106.16

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Solution

The fourth proportional to 3,784.68, 5,222.57 and 2,106.16 is: 2,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.68 : 5,222.57 = 2,106.16 : x
  2. Step 2: Convert to fraction form
    3,784.68/5,222.57 = 2,106.16/x
  3. Step 3: Cross multiply
    3,784.68x = 5,222.57 × 2,106.16
  4. Step 4: Simplify right side
    3,784.68x = 10,999,544.44
  5. Step 5: Solve for x
    x = 10,999,544.44/3,784.68
  6. Step 6: Final answer
    x = 2,906.33

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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.