Home / 3,327.81-4,990.71-1,571.82

Finding the Fourth Proportional to 3,327.81, 4,990.71 and 1,571.82

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Solution

The fourth proportional to 3,327.81, 4,990.71 and 1,571.82 is: 2,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.81 : 4,990.71 = 1,571.82 : x
  2. Step 2: Convert to fraction form
    3,327.81/4,990.71 = 1,571.82/x
  3. Step 3: Cross multiply
    3,327.81x = 4,990.71 × 1,571.82
  4. Step 4: Simplify right side
    3,327.81x = 7,844,497.79
  5. Step 5: Solve for x
    x = 7,844,497.79/3,327.81
  6. Step 6: Final answer
    x = 2,357.26

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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.