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Finding the Fourth Proportional to 2,843.70, 4,258.25 and 2,406.30

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Solution

The fourth proportional to 2,843.70, 4,258.25 and 2,406.30 is: 3,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.70 : 4,258.25 = 2,406.30 : x
  2. Step 2: Convert to fraction form
    2,843.70/4,258.25 = 2,406.30/x
  3. Step 3: Cross multiply
    2,843.70x = 4,258.25 × 2,406.30
  4. Step 4: Simplify right side
    2,843.70x = 10,246,626.98
  5. Step 5: Solve for x
    x = 10,246,626.98/2,843.70
  6. Step 6: Final answer
    x = 3,603.27

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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.