Home / 3,155.22-4,735.26-1,211.22

Finding the Fourth Proportional to 3,155.22, 4,735.26 and 1,211.22

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Solution

The fourth proportional to 3,155.22, 4,735.26 and 1,211.22 is: 1,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.22 : 4,735.26 = 1,211.22 : x
  2. Step 2: Convert to fraction form
    3,155.22/4,735.26 = 1,211.22/x
  3. Step 3: Cross multiply
    3,155.22x = 4,735.26 × 1,211.22
  4. Step 4: Simplify right side
    3,155.22x = 5,735,441.62
  5. Step 5: Solve for x
    x = 5,735,441.62/3,155.22
  6. Step 6: Final answer
    x = 1,817.76

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1.5x scale

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.