Home / 2,843.09-4,258.97-2,223.89

Finding the Fourth Proportional to 2,843.09, 4,258.97 and 2,223.89

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Solution

The fourth proportional to 2,843.09, 4,258.97 and 2,223.89 is: 3,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.09 : 4,258.97 = 2,223.89 : x
  2. Step 2: Convert to fraction form
    2,843.09/4,258.97 = 2,223.89/x
  3. Step 3: Cross multiply
    2,843.09x = 4,258.97 × 2,223.89
  4. Step 4: Simplify right side
    2,843.09x = 9,471,448.38
  5. Step 5: Solve for x
    x = 9,471,448.38/2,843.09
  6. Step 6: Final answer
    x = 3,331.40

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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.