Home / 2,226.06-3,072.20-1,282.14

Finding the Fourth Proportional to 2,226.06, 3,072.20 and 1,282.14

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Solution

The fourth proportional to 2,226.06, 3,072.20 and 1,282.14 is: 1,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.06 : 3,072.20 = 1,282.14 : x
  2. Step 2: Convert to fraction form
    2,226.06/3,072.20 = 1,282.14/x
  3. Step 3: Cross multiply
    2,226.06x = 3,072.20 × 1,282.14
  4. Step 4: Simplify right side
    2,226.06x = 3,938,984.10
  5. Step 5: Solve for x
    x = 3,938,984.10/2,226.06
  6. Step 6: Final answer
    x = 1,769.49

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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.