Home / 2,226.54-3,071.76-1,282.02

Finding the Fourth Proportional to 2,226.54, 3,071.76 and 1,282.02

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Solution

The fourth proportional to 2,226.54, 3,071.76 and 1,282.02 is: 1,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.54 : 3,071.76 = 1,282.02 : x
  2. Step 2: Convert to fraction form
    2,226.54/3,071.76 = 1,282.02/x
  3. Step 3: Cross multiply
    2,226.54x = 3,071.76 × 1,282.02
  4. Step 4: Simplify right side
    2,226.54x = 3,938,057.76
  5. Step 5: Solve for x
    x = 3,938,057.76/2,226.54
  6. Step 6: Final answer
    x = 1,768.69

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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.