Home / 3,261.72-4,893.00-1,069.70

Finding the Fourth Proportional to 3,261.72, 4,893.00 and 1,069.70

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Solution

The fourth proportional to 3,261.72, 4,893.00 and 1,069.70 is: 1,604.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.72 : 4,893.00 = 1,069.70 : x
  2. Step 2: Convert to fraction form
    3,261.72/4,893.00 = 1,069.70/x
  3. Step 3: Cross multiply
    3,261.72x = 4,893.00 × 1,069.70
  4. Step 4: Simplify right side
    3,261.72x = 5,234,036.75
  5. Step 5: Solve for x
    x = 5,234,036.75/3,261.72
  6. Step 6: Final answer
    x = 1,604.69

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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.