Home / 2,226.20-3,336.60-992.30

Finding the Fourth Proportional to 2,226.20, 3,336.60 and 992.30

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Solution

The fourth proportional to 2,226.20, 3,336.60 and 992.30 is: 1,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.20 : 3,336.60 = 992.30 : x
  2. Step 2: Convert to fraction form
    2,226.20/3,336.60 = 992.30/x
  3. Step 3: Cross multiply
    2,226.20x = 3,336.60 × 992.30
  4. Step 4: Simplify right side
    2,226.20x = 3,310,908.18
  5. Step 5: Solve for x
    x = 3,310,908.18/2,226.20
  6. Step 6: Final answer
    x = 1,487.25

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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.