Home / 3,211.86-4,820.54-1,459.54

Finding the Fourth Proportional to 3,211.86, 4,820.54 and 1,459.54

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Solution

The fourth proportional to 3,211.86, 4,820.54 and 1,459.54 is: 2,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.86 : 4,820.54 = 1,459.54 : x
  2. Step 2: Convert to fraction form
    3,211.86/4,820.54 = 1,459.54/x
  3. Step 3: Cross multiply
    3,211.86x = 4,820.54 × 1,459.54
  4. Step 4: Simplify right side
    3,211.86x = 7,035,770.95
  5. Step 5: Solve for x
    x = 7,035,770.95/3,211.86
  6. Step 6: Final answer
    x = 2,190.56

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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.