Home / 2,226.70-3,072.45-1,330.12

Finding the Fourth Proportional to 2,226.70, 3,072.45 and 1,330.12

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Solution

The fourth proportional to 2,226.70, 3,072.45 and 1,330.12 is: 1,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.70 : 3,072.45 = 1,330.12 : x
  2. Step 2: Convert to fraction form
    2,226.70/3,072.45 = 1,330.12/x
  3. Step 3: Cross multiply
    2,226.70x = 3,072.45 × 1,330.12
  4. Step 4: Simplify right side
    2,226.70x = 4,086,727.19
  5. Step 5: Solve for x
    x = 4,086,727.19/2,226.70
  6. Step 6: Final answer
    x = 1,835.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.