Home / 3,690.92-5,537.20-1,226.54

Finding the Fourth Proportional to 3,690.92, 5,537.20 and 1,226.54

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Solution

The fourth proportional to 3,690.92, 5,537.20 and 1,226.54 is: 1,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.92 : 5,537.20 = 1,226.54 : x
  2. Step 2: Convert to fraction form
    3,690.92/5,537.20 = 1,226.54/x
  3. Step 3: Cross multiply
    3,690.92x = 5,537.20 × 1,226.54
  4. Step 4: Simplify right side
    3,690.92x = 6,791,597.29
  5. Step 5: Solve for x
    x = 6,791,597.29/3,690.92
  6. Step 6: Final answer
    x = 1,840.08

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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.