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Finding the Fourth Proportional to 2,529.46, 3,794.40 and 774.42

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Solution

The fourth proportional to 2,529.46, 3,794.40 and 774.42 is: 1,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.46 : 3,794.40 = 774.42 : x
  2. Step 2: Convert to fraction form
    2,529.46/3,794.40 = 774.42/x
  3. Step 3: Cross multiply
    2,529.46x = 3,794.40 × 774.42
  4. Step 4: Simplify right side
    2,529.46x = 2,938,459.25
  5. Step 5: Solve for x
    x = 2,938,459.25/2,529.46
  6. Step 6: Final answer
    x = 1,161.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.