Home / 3,691.90-5,537.31-1,226.67

Finding the Fourth Proportional to 3,691.90, 5,537.31 and 1,226.67

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Solution

The fourth proportional to 3,691.90, 5,537.31 and 1,226.67 is: 1,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.90 : 5,537.31 = 1,226.67 : x
  2. Step 2: Convert to fraction form
    3,691.90/5,537.31 = 1,226.67/x
  3. Step 3: Cross multiply
    3,691.90x = 5,537.31 × 1,226.67
  4. Step 4: Simplify right side
    3,691.90x = 6,792,452.06
  5. Step 5: Solve for x
    x = 6,792,452.06/3,691.90
  6. Step 6: Final answer
    x = 1,839.83

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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.