Home / 3,848.45-5,771.84-1,216.16

Finding the Fourth Proportional to 3,848.45, 5,771.84 and 1,216.16

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Solution

The fourth proportional to 3,848.45, 5,771.84 and 1,216.16 is: 1,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.45 : 5,771.84 = 1,216.16 : x
  2. Step 2: Convert to fraction form
    3,848.45/5,771.84 = 1,216.16/x
  3. Step 3: Cross multiply
    3,848.45x = 5,771.84 × 1,216.16
  4. Step 4: Simplify right side
    3,848.45x = 7,019,445.99
  5. Step 5: Solve for x
    x = 7,019,445.99/3,848.45
  6. Step 6: Final answer
    x = 1,823.97

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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.