Home / 3,222.85-4,795.67-3,211.92

Finding the Fourth Proportional to 3,222.85, 4,795.67 and 3,211.92

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Solution

The fourth proportional to 3,222.85, 4,795.67 and 3,211.92 is: 4,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.85 : 4,795.67 = 3,211.92 : x
  2. Step 2: Convert to fraction form
    3,222.85/4,795.67 = 3,211.92/x
  3. Step 3: Cross multiply
    3,222.85x = 4,795.67 × 3,211.92
  4. Step 4: Simplify right side
    3,222.85x = 15,403,308.39
  5. Step 5: Solve for x
    x = 15,403,308.39/3,222.85
  6. Step 6: Final answer
    x = 4,779.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.