Home / 2,822.08-4,214.37-2,791.58

Finding the Fourth Proportional to 2,822.08, 4,214.37 and 2,791.58

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Solution

The fourth proportional to 2,822.08, 4,214.37 and 2,791.58 is: 4,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.08 : 4,214.37 = 2,791.58 : x
  2. Step 2: Convert to fraction form
    2,822.08/4,214.37 = 2,791.58/x
  3. Step 3: Cross multiply
    2,822.08x = 4,214.37 × 2,791.58
  4. Step 4: Simplify right side
    2,822.08x = 11,764,751.00
  5. Step 5: Solve for x
    x = 11,764,751.00/2,822.08
  6. Step 6: Final answer
    x = 4,168.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.