Home / 3,190.21-4,402.35-1,773.99

Finding the Fourth Proportional to 3,190.21, 4,402.35 and 1,773.99

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Solution

The fourth proportional to 3,190.21, 4,402.35 and 1,773.99 is: 2,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.21 : 4,402.35 = 1,773.99 : x
  2. Step 2: Convert to fraction form
    3,190.21/4,402.35 = 1,773.99/x
  3. Step 3: Cross multiply
    3,190.21x = 4,402.35 × 1,773.99
  4. Step 4: Simplify right side
    3,190.21x = 7,809,724.88
  5. Step 5: Solve for x
    x = 7,809,724.88/3,190.21
  6. Step 6: Final answer
    x = 2,448.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.