Home / 3,219.62-4,830.71-1,273.19

Finding the Fourth Proportional to 3,219.62, 4,830.71 and 1,273.19

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Solution

The fourth proportional to 3,219.62, 4,830.71 and 1,273.19 is: 1,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.62 : 4,830.71 = 1,273.19 : x
  2. Step 2: Convert to fraction form
    3,219.62/4,830.71 = 1,273.19/x
  3. Step 3: Cross multiply
    3,219.62x = 4,830.71 × 1,273.19
  4. Step 4: Simplify right side
    3,219.62x = 6,150,381.15
  5. Step 5: Solve for x
    x = 6,150,381.15/3,219.62
  6. Step 6: Final answer
    x = 1,910.28

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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.