Home / 3,022.20-4,533.57-830.88

Finding the Fourth Proportional to 3,022.20, 4,533.57 and 830.88

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Solution

The fourth proportional to 3,022.20, 4,533.57 and 830.88 is: 1,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.20 : 4,533.57 = 830.88 : x
  2. Step 2: Convert to fraction form
    3,022.20/4,533.57 = 830.88/x
  3. Step 3: Cross multiply
    3,022.20x = 4,533.57 × 830.88
  4. Step 4: Simplify right side
    3,022.20x = 3,766,852.64
  5. Step 5: Solve for x
    x = 3,766,852.64/3,022.20
  6. Step 6: Final answer
    x = 1,246.39

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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.