Home / 2,806.22-3,873.98-2,175.33

Finding the Fourth Proportional to 2,806.22, 3,873.98 and 2,175.33

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Solution

The fourth proportional to 2,806.22, 3,873.98 and 2,175.33 is: 3,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.22 : 3,873.98 = 2,175.33 : x
  2. Step 2: Convert to fraction form
    2,806.22/3,873.98 = 2,175.33/x
  3. Step 3: Cross multiply
    2,806.22x = 3,873.98 × 2,175.33
  4. Step 4: Simplify right side
    2,806.22x = 8,427,175.23
  5. Step 5: Solve for x
    x = 8,427,175.23/2,806.22
  6. Step 6: Final answer
    x = 3,003.04

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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.