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Finding the Fourth Proportional to 3,018.87, 4,165.97 and 1,692.54

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Solution

The fourth proportional to 3,018.87, 4,165.97 and 1,692.54 is: 2,335.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.87 : 4,165.97 = 1,692.54 : x
  2. Step 2: Convert to fraction form
    3,018.87/4,165.97 = 1,692.54/x
  3. Step 3: Cross multiply
    3,018.87x = 4,165.97 × 1,692.54
  4. Step 4: Simplify right side
    3,018.87x = 7,051,085.51
  5. Step 5: Solve for x
    x = 7,051,085.51/3,018.87
  6. Step 6: Final answer
    x = 2,335.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.