Home / 2,290.22-3,161.88-1,451.66

Finding the Fourth Proportional to 2,290.22, 3,161.88 and 1,451.66

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Solution

The fourth proportional to 2,290.22, 3,161.88 and 1,451.66 is: 2,004.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.22 : 3,161.88 = 1,451.66 : x
  2. Step 2: Convert to fraction form
    2,290.22/3,161.88 = 1,451.66/x
  3. Step 3: Cross multiply
    2,290.22x = 3,161.88 × 1,451.66
  4. Step 4: Simplify right side
    2,290.22x = 4,589,974.72
  5. Step 5: Solve for x
    x = 4,589,974.72/2,290.22
  6. Step 6: Final answer
    x = 2,004.16

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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.