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Finding the Fourth Proportional to 3,379.01, 5,070.83 and 1,187.73

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Solution

The fourth proportional to 3,379.01, 5,070.83 and 1,187.73 is: 1,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.01 : 5,070.83 = 1,187.73 : x
  2. Step 2: Convert to fraction form
    3,379.01/5,070.83 = 1,187.73/x
  3. Step 3: Cross multiply
    3,379.01x = 5,070.83 × 1,187.73
  4. Step 4: Simplify right side
    3,379.01x = 6,022,770.98
  5. Step 5: Solve for x
    x = 6,022,770.98/3,379.01
  6. Step 6: Final answer
    x = 1,782.41

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1.5x scale

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.