Home / 2,222.25-3,066.30-1,338.27

Finding the Fourth Proportional to 2,222.25, 3,066.30 and 1,338.27

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Solution

The fourth proportional to 2,222.25, 3,066.30 and 1,338.27 is: 1,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.25 : 3,066.30 = 1,338.27 : x
  2. Step 2: Convert to fraction form
    2,222.25/3,066.30 = 1,338.27/x
  3. Step 3: Cross multiply
    2,222.25x = 3,066.30 × 1,338.27
  4. Step 4: Simplify right side
    2,222.25x = 4,103,537.30
  5. Step 5: Solve for x
    x = 4,103,537.30/2,222.25
  6. Step 6: Final answer
    x = 1,846.57

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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.