Home / 2,571.23-3,853.20-1,879.49

Finding the Fourth Proportional to 2,571.23, 3,853.20 and 1,879.49

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Solution

The fourth proportional to 2,571.23, 3,853.20 and 1,879.49 is: 2,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.23 : 3,853.20 = 1,879.49 : x
  2. Step 2: Convert to fraction form
    2,571.23/3,853.20 = 1,879.49/x
  3. Step 3: Cross multiply
    2,571.23x = 3,853.20 × 1,879.49
  4. Step 4: Simplify right side
    2,571.23x = 7,242,050.87
  5. Step 5: Solve for x
    x = 7,242,050.87/2,571.23
  6. Step 6: Final answer
    x = 2,816.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.