Home / 2,824.36-3,895.84-2,039.56

Finding the Fourth Proportional to 2,824.36, 3,895.84 and 2,039.56

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Solution

The fourth proportional to 2,824.36, 3,895.84 and 2,039.56 is: 2,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.36 : 3,895.84 = 2,039.56 : x
  2. Step 2: Convert to fraction form
    2,824.36/3,895.84 = 2,039.56/x
  3. Step 3: Cross multiply
    2,824.36x = 3,895.84 × 2,039.56
  4. Step 4: Simplify right side
    2,824.36x = 7,945,799.43
  5. Step 5: Solve for x
    x = 7,945,799.43/2,824.36
  6. Step 6: Final answer
    x = 2,813.31

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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.