Home / 2,843.81-3,923.64-1,850.55

Finding the Fourth Proportional to 2,843.81, 3,923.64 and 1,850.55

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Solution

The fourth proportional to 2,843.81, 3,923.64 and 1,850.55 is: 2,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.81 : 3,923.64 = 1,850.55 : x
  2. Step 2: Convert to fraction form
    2,843.81/3,923.64 = 1,850.55/x
  3. Step 3: Cross multiply
    2,843.81x = 3,923.64 × 1,850.55
  4. Step 4: Simplify right side
    2,843.81x = 7,260,892.00
  5. Step 5: Solve for x
    x = 7,260,892.00/2,843.81
  6. Step 6: Final answer
    x = 2,553.23

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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.