Home / 3,847.34-5,770.49-1,381.81

Finding the Fourth Proportional to 3,847.34, 5,770.49 and 1,381.81

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Solution

The fourth proportional to 3,847.34, 5,770.49 and 1,381.81 is: 2,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.34 : 5,770.49 = 1,381.81 : x
  2. Step 2: Convert to fraction form
    3,847.34/5,770.49 = 1,381.81/x
  3. Step 3: Cross multiply
    3,847.34x = 5,770.49 × 1,381.81
  4. Step 4: Simplify right side
    3,847.34x = 7,973,685.03
  5. Step 5: Solve for x
    x = 7,973,685.03/3,847.34
  6. Step 6: Final answer
    x = 2,072.52

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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.