Home / 2,712.74-4,069.67-1,231.25

Finding the Fourth Proportional to 2,712.74, 4,069.67 and 1,231.25

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Solution

The fourth proportional to 2,712.74, 4,069.67 and 1,231.25 is: 1,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.74 : 4,069.67 = 1,231.25 : x
  2. Step 2: Convert to fraction form
    2,712.74/4,069.67 = 1,231.25/x
  3. Step 3: Cross multiply
    2,712.74x = 4,069.67 × 1,231.25
  4. Step 4: Simplify right side
    2,712.74x = 5,010,754.68
  5. Step 5: Solve for x
    x = 5,010,754.68/2,712.74
  6. Step 6: Final answer
    x = 1,847.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.