Home / 3,651.21-5,475.87-1,571.94

Finding the Fourth Proportional to 3,651.21, 5,475.87 and 1,571.94

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Solution

The fourth proportional to 3,651.21, 5,475.87 and 1,571.94 is: 2,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.21 : 5,475.87 = 1,571.94 : x
  2. Step 2: Convert to fraction form
    3,651.21/5,475.87 = 1,571.94/x
  3. Step 3: Cross multiply
    3,651.21x = 5,475.87 × 1,571.94
  4. Step 4: Simplify right side
    3,651.21x = 8,607,739.09
  5. Step 5: Solve for x
    x = 8,607,739.09/3,651.21
  6. Step 6: Final answer
    x = 2,357.50

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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.