Home / 2,822.20-3,895.74-2,037.30

Finding the Fourth Proportional to 2,822.20, 3,895.74 and 2,037.30

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Solution

The fourth proportional to 2,822.20, 3,895.74 and 2,037.30 is: 2,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.20 : 3,895.74 = 2,037.30 : x
  2. Step 2: Convert to fraction form
    2,822.20/3,895.74 = 2,037.30/x
  3. Step 3: Cross multiply
    2,822.20x = 3,895.74 × 2,037.30
  4. Step 4: Simplify right side
    2,822.20x = 7,936,791.10
  5. Step 5: Solve for x
    x = 7,936,791.10/2,822.20
  6. Step 6: Final answer
    x = 2,812.27

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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.