Home / 2,843.87-3,924.55-1,649.09

Finding the Fourth Proportional to 2,843.87, 3,924.55 and 1,649.09

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Solution

The fourth proportional to 2,843.87, 3,924.55 and 1,649.09 is: 2,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.87 : 3,924.55 = 1,649.09 : x
  2. Step 2: Convert to fraction form
    2,843.87/3,924.55 = 1,649.09/x
  3. Step 3: Cross multiply
    2,843.87x = 3,924.55 × 1,649.09
  4. Step 4: Simplify right side
    2,843.87x = 6,471,948.03
  5. Step 5: Solve for x
    x = 6,471,948.03/2,843.87
  6. Step 6: Final answer
    x = 2,275.75

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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.