Home / 2,226.62-3,071.79-1,282.23

Finding the Fourth Proportional to 2,226.62, 3,071.79 and 1,282.23

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Solution

The fourth proportional to 2,226.62, 3,071.79 and 1,282.23 is: 1,768.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.62 : 3,071.79 = 1,282.23 : x
  2. Step 2: Convert to fraction form
    2,226.62/3,071.79 = 1,282.23/x
  3. Step 3: Cross multiply
    2,226.62x = 3,071.79 × 1,282.23
  4. Step 4: Simplify right side
    2,226.62x = 3,938,741.29
  5. Step 5: Solve for x
    x = 3,938,741.29/2,226.62
  6. Step 6: Final answer
    x = 1,768.93

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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.