Home / 3,211.25-4,814.44-1,749.60

Finding the Fourth Proportional to 3,211.25, 4,814.44 and 1,749.60

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Solution

The fourth proportional to 3,211.25, 4,814.44 and 1,749.60 is: 2,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.25 : 4,814.44 = 1,749.60 : x
  2. Step 2: Convert to fraction form
    3,211.25/4,814.44 = 1,749.60/x
  3. Step 3: Cross multiply
    3,211.25x = 4,814.44 × 1,749.60
  4. Step 4: Simplify right side
    3,211.25x = 8,423,339.85
  5. Step 5: Solve for x
    x = 8,423,339.85/3,211.25
  6. Step 6: Final answer
    x = 2,623.08

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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.