Home / 2,922.38-4,380.94-1,072.22

Finding the Fourth Proportional to 2,922.38, 4,380.94 and 1,072.22

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Solution

The fourth proportional to 2,922.38, 4,380.94 and 1,072.22 is: 1,607.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.38 : 4,380.94 = 1,072.22 : x
  2. Step 2: Convert to fraction form
    2,922.38/4,380.94 = 1,072.22/x
  3. Step 3: Cross multiply
    2,922.38x = 4,380.94 × 1,072.22
  4. Step 4: Simplify right side
    2,922.38x = 4,697,331.49
  5. Step 5: Solve for x
    x = 4,697,331.49/2,922.38
  6. Step 6: Final answer
    x = 1,607.37

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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.