Home / 2,447.80-3,664.62-1,571.32

Finding the Fourth Proportional to 2,447.80, 3,664.62 and 1,571.32

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Solution

The fourth proportional to 2,447.80, 3,664.62 and 1,571.32 is: 2,352.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.80 : 3,664.62 = 1,571.32 : x
  2. Step 2: Convert to fraction form
    2,447.80/3,664.62 = 1,571.32/x
  3. Step 3: Cross multiply
    2,447.80x = 3,664.62 × 1,571.32
  4. Step 4: Simplify right side
    2,447.80x = 5,758,290.70
  5. Step 5: Solve for x
    x = 5,758,290.70/2,447.80
  6. Step 6: Final answer
    x = 2,352.44

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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.