Home / 3,699.06-5,546.96-1,388.94

Finding the Fourth Proportional to 3,699.06, 5,546.96 and 1,388.94

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Solution

The fourth proportional to 3,699.06, 5,546.96 and 1,388.94 is: 2,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.06 : 5,546.96 = 1,388.94 : x
  2. Step 2: Convert to fraction form
    3,699.06/5,546.96 = 1,388.94/x
  3. Step 3: Cross multiply
    3,699.06x = 5,546.96 × 1,388.94
  4. Step 4: Simplify right side
    3,699.06x = 7,704,394.62
  5. Step 5: Solve for x
    x = 7,704,394.62/3,699.06
  6. Step 6: Final answer
    x = 2,082.80

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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.