Home / 3,219.70-4,829.55-2,797.30

Finding the Fourth Proportional to 3,219.70, 4,829.55 and 2,797.30

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Solution

The fourth proportional to 3,219.70, 4,829.55 and 2,797.30 is: 4,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.70 : 4,829.55 = 2,797.30 : x
  2. Step 2: Convert to fraction form
    3,219.70/4,829.55 = 2,797.30/x
  3. Step 3: Cross multiply
    3,219.70x = 4,829.55 × 2,797.30
  4. Step 4: Simplify right side
    3,219.70x = 13,509,700.22
  5. Step 5: Solve for x
    x = 13,509,700.22/3,219.70
  6. Step 6: Final answer
    x = 4,195.95

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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.