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Finding the Fourth Proportional to 3,834, 5,747.57 and 1,368.46

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Solution

The fourth proportional to 3,834, 5,747.57 and 1,368.46 is: 2,051.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834 : 5,747.57 = 1,368.46 : x
  2. Step 2: Convert to fraction form
    3,834/5,747.57 = 1,368.46/x
  3. Step 3: Cross multiply
    3,834x = 5,747.57 × 1,368.46
  4. Step 4: Simplify right side
    3,834x = 7,865,325.12
  5. Step 5: Solve for x
    x = 7,865,325.12/3,834
  6. Step 6: Final answer
    x = 2,051.47

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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.