Home / 3,213.96-4,821.08-1,022.85

Finding the Fourth Proportional to 3,213.96, 4,821.08 and 1,022.85

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Solution

The fourth proportional to 3,213.96, 4,821.08 and 1,022.85 is: 1,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.96 : 4,821.08 = 1,022.85 : x
  2. Step 2: Convert to fraction form
    3,213.96/4,821.08 = 1,022.85/x
  3. Step 3: Cross multiply
    3,213.96x = 4,821.08 × 1,022.85
  4. Step 4: Simplify right side
    3,213.96x = 4,931,236.56
  5. Step 5: Solve for x
    x = 4,931,236.56/3,213.96
  6. Step 6: Final answer
    x = 1,534.32

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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.