Home / 3,300.21-4,947.62-1,218.89

Finding the Fourth Proportional to 3,300.21, 4,947.62 and 1,218.89

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Solution

The fourth proportional to 3,300.21, 4,947.62 and 1,218.89 is: 1,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.21 : 4,947.62 = 1,218.89 : x
  2. Step 2: Convert to fraction form
    3,300.21/4,947.62 = 1,218.89/x
  3. Step 3: Cross multiply
    3,300.21x = 4,947.62 × 1,218.89
  4. Step 4: Simplify right side
    3,300.21x = 6,030,604.54
  5. Step 5: Solve for x
    x = 6,030,604.54/3,300.21
  6. Step 6: Final answer
    x = 1,827.34

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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.