Home / 2,305.27-3,457.19-661.37

Finding the Fourth Proportional to 2,305.27, 3,457.19 and 661.37

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Solution

The fourth proportional to 2,305.27, 3,457.19 and 661.37 is: 991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.27 : 3,457.19 = 661.37 : x
  2. Step 2: Convert to fraction form
    2,305.27/3,457.19 = 661.37/x
  3. Step 3: Cross multiply
    2,305.27x = 3,457.19 × 661.37
  4. Step 4: Simplify right side
    2,305.27x = 2,286,481.75
  5. Step 5: Solve for x
    x = 2,286,481.75/2,305.27
  6. Step 6: Final answer
    x = 991.85

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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.