Home / 2,843.90-4,242.62-2,767.35

Finding the Fourth Proportional to 2,843.90, 4,242.62 and 2,767.35

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Solution

The fourth proportional to 2,843.90, 4,242.62 and 2,767.35 is: 4,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.90 : 4,242.62 = 2,767.35 : x
  2. Step 2: Convert to fraction form
    2,843.90/4,242.62 = 2,767.35/x
  3. Step 3: Cross multiply
    2,843.90x = 4,242.62 × 2,767.35
  4. Step 4: Simplify right side
    2,843.90x = 11,740,800.62
  5. Step 5: Solve for x
    x = 11,740,800.62/2,843.90
  6. Step 6: Final answer
    x = 4,128.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.