Home / 3,647.44-5,470-1,181.69

Finding the Fourth Proportional to 3,647.44, 5,470 and 1,181.69

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Solution

The fourth proportional to 3,647.44, 5,470 and 1,181.69 is: 1,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.44 : 5,470 = 1,181.69 : x
  2. Step 2: Convert to fraction form
    3,647.44/5,470 = 1,181.69/x
  3. Step 3: Cross multiply
    3,647.44x = 5,470 × 1,181.69
  4. Step 4: Simplify right side
    3,647.44x = 6,463,844.30
  5. Step 5: Solve for x
    x = 6,463,844.30/3,647.44
  6. Step 6: Final answer
    x = 1,772.16

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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.