Home / 2,822.08-4,227.68-2,133.20

Finding the Fourth Proportional to 2,822.08, 4,227.68 and 2,133.20

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Solution

The fourth proportional to 2,822.08, 4,227.68 and 2,133.20 is: 3,195.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.08 : 4,227.68 = 2,133.20 : x
  2. Step 2: Convert to fraction form
    2,822.08/4,227.68 = 2,133.20/x
  3. Step 3: Cross multiply
    2,822.08x = 4,227.68 × 2,133.20
  4. Step 4: Simplify right side
    2,822.08x = 9,018,486.98
  5. Step 5: Solve for x
    x = 9,018,486.98/2,822.08
  6. Step 6: Final answer
    x = 3,195.69

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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.