Home / 2,226.09-3,071.01-1,281.66

Finding the Fourth Proportional to 2,226.09, 3,071.01 and 1,281.66

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Solution

The fourth proportional to 2,226.09, 3,071.01 and 1,281.66 is: 1,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.09 : 3,071.01 = 1,281.66 : x
  2. Step 2: Convert to fraction form
    2,226.09/3,071.01 = 1,281.66/x
  3. Step 3: Cross multiply
    2,226.09x = 3,071.01 × 1,281.66
  4. Step 4: Simplify right side
    2,226.09x = 3,935,990.68
  5. Step 5: Solve for x
    x = 3,935,990.68/2,226.09
  6. Step 6: Final answer
    x = 1,768.12

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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.