Home / 2,822.01-4,229.56-2,126.44

Finding the Fourth Proportional to 2,822.01, 4,229.56 and 2,126.44

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Solution

The fourth proportional to 2,822.01, 4,229.56 and 2,126.44 is: 3,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.01 : 4,229.56 = 2,126.44 : x
  2. Step 2: Convert to fraction form
    2,822.01/4,229.56 = 2,126.44/x
  3. Step 3: Cross multiply
    2,822.01x = 4,229.56 × 2,126.44
  4. Step 4: Simplify right side
    2,822.01x = 8,993,905.57
  5. Step 5: Solve for x
    x = 8,993,905.57/2,822.01
  6. Step 6: Final answer
    x = 3,187.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.