Home / 3,211.67-4,816.53-1,362.75

Finding the Fourth Proportional to 3,211.67, 4,816.53 and 1,362.75

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Solution

The fourth proportional to 3,211.67, 4,816.53 and 1,362.75 is: 2,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.67 : 4,816.53 = 1,362.75 : x
  2. Step 2: Convert to fraction form
    3,211.67/4,816.53 = 1,362.75/x
  3. Step 3: Cross multiply
    3,211.67x = 4,816.53 × 1,362.75
  4. Step 4: Simplify right side
    3,211.67x = 6,563,726.26
  5. Step 5: Solve for x
    x = 6,563,726.26/3,211.67
  6. Step 6: Final answer
    x = 2,043.71

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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.