Home / 2,277.18-3,140.91-2,091.29

Finding the Fourth Proportional to 2,277.18, 3,140.91 and 2,091.29

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Solution

The fourth proportional to 2,277.18, 3,140.91 and 2,091.29 is: 2,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.18 : 3,140.91 = 2,091.29 : x
  2. Step 2: Convert to fraction form
    2,277.18/3,140.91 = 2,091.29/x
  3. Step 3: Cross multiply
    2,277.18x = 3,140.91 × 2,091.29
  4. Step 4: Simplify right side
    2,277.18x = 6,568,537.97
  5. Step 5: Solve for x
    x = 6,568,537.97/2,277.18
  6. Step 6: Final answer
    x = 2,884.51

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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.