Home / 2,822.00-4,230.68-1,941.80

Finding the Fourth Proportional to 2,822.00, 4,230.68 and 1,941.80

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Solution

The fourth proportional to 2,822.00, 4,230.68 and 1,941.80 is: 2,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.00 : 4,230.68 = 1,941.80 : x
  2. Step 2: Convert to fraction form
    2,822.00/4,230.68 = 1,941.80/x
  3. Step 3: Cross multiply
    2,822.00x = 4,230.68 × 1,941.80
  4. Step 4: Simplify right side
    2,822.00x = 8,215,103.56
  5. Step 5: Solve for x
    x = 8,215,103.56/2,822.00
  6. Step 6: Final answer
    x = 2,911.10

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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.