Home / 3,195.72-4,408.56-1,935.99

Finding the Fourth Proportional to 3,195.72, 4,408.56 and 1,935.99

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Solution

The fourth proportional to 3,195.72, 4,408.56 and 1,935.99 is: 2,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.72 : 4,408.56 = 1,935.99 : x
  2. Step 2: Convert to fraction form
    3,195.72/4,408.56 = 1,935.99/x
  3. Step 3: Cross multiply
    3,195.72x = 4,408.56 × 1,935.99
  4. Step 4: Simplify right side
    3,195.72x = 8,534,928.07
  5. Step 5: Solve for x
    x = 8,534,928.07/3,195.72
  6. Step 6: Final answer
    x = 2,670.74

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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.