Home / 2,231.09-3,077.93-1,568.37

Finding the Fourth Proportional to 2,231.09, 3,077.93 and 1,568.37

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Solution

The fourth proportional to 2,231.09, 3,077.93 and 1,568.37 is: 2,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.09 : 3,077.93 = 1,568.37 : x
  2. Step 2: Convert to fraction form
    2,231.09/3,077.93 = 1,568.37/x
  3. Step 3: Cross multiply
    2,231.09x = 3,077.93 × 1,568.37
  4. Step 4: Simplify right side
    2,231.09x = 4,827,348.54
  5. Step 5: Solve for x
    x = 4,827,348.54/2,231.09
  6. Step 6: Final answer
    x = 2,163.67

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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.