Home / 2,843.79-3,923.34-2,099.52

Finding the Fourth Proportional to 2,843.79, 3,923.34 and 2,099.52

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Solution

The fourth proportional to 2,843.79, 3,923.34 and 2,099.52 is: 2,896.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.79 : 3,923.34 = 2,099.52 : x
  2. Step 2: Convert to fraction form
    2,843.79/3,923.34 = 2,099.52/x
  3. Step 3: Cross multiply
    2,843.79x = 3,923.34 × 2,099.52
  4. Step 4: Simplify right side
    2,843.79x = 8,237,130.80
  5. Step 5: Solve for x
    x = 8,237,130.80/2,843.79
  6. Step 6: Final answer
    x = 2,896.53

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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.