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Finding the Fourth Proportional to 3,847.76, 5,773.02 and 1,250.70

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Solution

The fourth proportional to 3,847.76, 5,773.02 and 1,250.70 is: 1,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.76 : 5,773.02 = 1,250.70 : x
  2. Step 2: Convert to fraction form
    3,847.76/5,773.02 = 1,250.70/x
  3. Step 3: Cross multiply
    3,847.76x = 5,773.02 × 1,250.70
  4. Step 4: Simplify right side
    3,847.76x = 7,220,316.11
  5. Step 5: Solve for x
    x = 7,220,316.11/3,847.76
  6. Step 6: Final answer
    x = 1,876.50

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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.