Home / 3,647.49-5,469.62-1,181.85

Finding the Fourth Proportional to 3,647.49, 5,469.62 and 1,181.85

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Solution

The fourth proportional to 3,647.49, 5,469.62 and 1,181.85 is: 1,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.49 : 5,469.62 = 1,181.85 : x
  2. Step 2: Convert to fraction form
    3,647.49/5,469.62 = 1,181.85/x
  3. Step 3: Cross multiply
    3,647.49x = 5,469.62 × 1,181.85
  4. Step 4: Simplify right side
    3,647.49x = 6,464,264.49
  5. Step 5: Solve for x
    x = 6,464,264.49/3,647.49
  6. Step 6: Final answer
    x = 1,772.25

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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.