Home / 3,847.23-5,770.89-1,383.81

Finding the Fourth Proportional to 3,847.23, 5,770.89 and 1,383.81

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Solution

The fourth proportional to 3,847.23, 5,770.89 and 1,383.81 is: 2,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.23 : 5,770.89 = 1,383.81 : x
  2. Step 2: Convert to fraction form
    3,847.23/5,770.89 = 1,383.81/x
  3. Step 3: Cross multiply
    3,847.23x = 5,770.89 × 1,383.81
  4. Step 4: Simplify right side
    3,847.23x = 7,985,815.29
  5. Step 5: Solve for x
    x = 7,985,815.29/3,847.23
  6. Step 6: Final answer
    x = 2,075.73

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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.