Home / 2,906.22-4,006.35-2,206.38

Finding the Fourth Proportional to 2,906.22, 4,006.35 and 2,206.38

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Solution

The fourth proportional to 2,906.22, 4,006.35 and 2,206.38 is: 3,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.22 : 4,006.35 = 2,206.38 : x
  2. Step 2: Convert to fraction form
    2,906.22/4,006.35 = 2,206.38/x
  3. Step 3: Cross multiply
    2,906.22x = 4,006.35 × 2,206.38
  4. Step 4: Simplify right side
    2,906.22x = 8,839,530.51
  5. Step 5: Solve for x
    x = 8,839,530.51/2,906.22
  6. Step 6: Final answer
    x = 3,041.59

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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.