Home / 2,784.21-4,173.57-1,796.43

Finding the Fourth Proportional to 2,784.21, 4,173.57 and 1,796.43

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Solution

The fourth proportional to 2,784.21, 4,173.57 and 1,796.43 is: 2,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.21 : 4,173.57 = 1,796.43 : x
  2. Step 2: Convert to fraction form
    2,784.21/4,173.57 = 1,796.43/x
  3. Step 3: Cross multiply
    2,784.21x = 4,173.57 × 1,796.43
  4. Step 4: Simplify right side
    2,784.21x = 7,497,526.36
  5. Step 5: Solve for x
    x = 7,497,526.36/2,784.21
  6. Step 6: Final answer
    x = 2,692.87

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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.