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Finding the Fourth Proportional to 3,847.79, 5,773.01 and 1,250.70

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Solution

The fourth proportional to 3,847.79, 5,773.01 and 1,250.70 is: 1,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.79 : 5,773.01 = 1,250.70 : x
  2. Step 2: Convert to fraction form
    3,847.79/5,773.01 = 1,250.70/x
  3. Step 3: Cross multiply
    3,847.79x = 5,773.01 × 1,250.70
  4. Step 4: Simplify right side
    3,847.79x = 7,220,297.35
  5. Step 5: Solve for x
    x = 7,220,297.35/3,847.79
  6. Step 6: Final answer
    x = 1,876.48

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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.