Home / 2,859.09-3,944.66-1,864

Finding the Fourth Proportional to 2,859.09, 3,944.66 and 1,864

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Solution

The fourth proportional to 2,859.09, 3,944.66 and 1,864 is: 2,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.09 : 3,944.66 = 1,864 : x
  2. Step 2: Convert to fraction form
    2,859.09/3,944.66 = 1,864/x
  3. Step 3: Cross multiply
    2,859.09x = 3,944.66 × 1,864
  4. Step 4: Simplify right side
    2,859.09x = 7,352,846.24
  5. Step 5: Solve for x
    x = 7,352,846.24/2,859.09
  6. Step 6: Final answer
    x = 2,571.74

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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.