Home / 2,756.22-3,801.51-2,232.06

Finding the Fourth Proportional to 2,756.22, 3,801.51 and 2,232.06

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Solution

The fourth proportional to 2,756.22, 3,801.51 and 2,232.06 is: 3,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.22 : 3,801.51 = 2,232.06 : x
  2. Step 2: Convert to fraction form
    2,756.22/3,801.51 = 2,232.06/x
  3. Step 3: Cross multiply
    2,756.22x = 3,801.51 × 2,232.06
  4. Step 4: Simplify right side
    2,756.22x = 8,485,198.41
  5. Step 5: Solve for x
    x = 8,485,198.41/2,756.22
  6. Step 6: Final answer
    x = 3,078.56

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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.