Home / 2,290.67-3,161.19-1,295.92

Finding the Fourth Proportional to 2,290.67, 3,161.19 and 1,295.92

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Solution

The fourth proportional to 2,290.67, 3,161.19 and 1,295.92 is: 1,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.67 : 3,161.19 = 1,295.92 : x
  2. Step 2: Convert to fraction form
    2,290.67/3,161.19 = 1,295.92/x
  3. Step 3: Cross multiply
    2,290.67x = 3,161.19 × 1,295.92
  4. Step 4: Simplify right side
    2,290.67x = 4,096,661.58
  5. Step 5: Solve for x
    x = 4,096,661.58/2,290.67
  6. Step 6: Final answer
    x = 1,788.41

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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.