Home / 2,816.10-4,222.01-2,201.10

Finding the Fourth Proportional to 2,816.10, 4,222.01 and 2,201.10

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Solution

The fourth proportional to 2,816.10, 4,222.01 and 2,201.10 is: 3,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.10 : 4,222.01 = 2,201.10 : x
  2. Step 2: Convert to fraction form
    2,816.10/4,222.01 = 2,201.10/x
  3. Step 3: Cross multiply
    2,816.10x = 4,222.01 × 2,201.10
  4. Step 4: Simplify right side
    2,816.10x = 9,293,066.21
  5. Step 5: Solve for x
    x = 9,293,066.21/2,816.10
  6. Step 6: Final answer
    x = 3,299.98

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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.