Home / 3,133.82-4,321.55-2,072.52

Finding the Fourth Proportional to 3,133.82, 4,321.55 and 2,072.52

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Solution

The fourth proportional to 3,133.82, 4,321.55 and 2,072.52 is: 2,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.82 : 4,321.55 = 2,072.52 : x
  2. Step 2: Convert to fraction form
    3,133.82/4,321.55 = 2,072.52/x
  3. Step 3: Cross multiply
    3,133.82x = 4,321.55 × 2,072.52
  4. Step 4: Simplify right side
    3,133.82x = 8,956,503.99
  5. Step 5: Solve for x
    x = 8,956,503.99/3,133.82
  6. Step 6: Final answer
    x = 2,858.01

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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.