Home / 2,571.45-3,851.32-2,012.68

Finding the Fourth Proportional to 2,571.45, 3,851.32 and 2,012.68

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Solution

The fourth proportional to 2,571.45, 3,851.32 and 2,012.68 is: 3,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.45 : 3,851.32 = 2,012.68 : x
  2. Step 2: Convert to fraction form
    2,571.45/3,851.32 = 2,012.68/x
  3. Step 3: Cross multiply
    2,571.45x = 3,851.32 × 2,012.68
  4. Step 4: Simplify right side
    2,571.45x = 7,751,474.74
  5. Step 5: Solve for x
    x = 7,751,474.74/2,571.45
  6. Step 6: Final answer
    x = 3,014.44

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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.