Home / 3,231.36-4,847.20-1,383.36

Finding the Fourth Proportional to 3,231.36, 4,847.20 and 1,383.36

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Solution

The fourth proportional to 3,231.36, 4,847.20 and 1,383.36 is: 2,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.36 : 4,847.20 = 1,383.36 : x
  2. Step 2: Convert to fraction form
    3,231.36/4,847.20 = 1,383.36/x
  3. Step 3: Cross multiply
    3,231.36x = 4,847.20 × 1,383.36
  4. Step 4: Simplify right side
    3,231.36x = 6,705,422.59
  5. Step 5: Solve for x
    x = 6,705,422.59/3,231.36
  6. Step 6: Final answer
    x = 2,075.11

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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.