Home / 3,621.68-4,996.75-2,028.09

Finding the Fourth Proportional to 3,621.68, 4,996.75 and 2,028.09

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Solution

The fourth proportional to 3,621.68, 4,996.75 and 2,028.09 is: 2,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.68 : 4,996.75 = 2,028.09 : x
  2. Step 2: Convert to fraction form
    3,621.68/4,996.75 = 2,028.09/x
  3. Step 3: Cross multiply
    3,621.68x = 4,996.75 × 2,028.09
  4. Step 4: Simplify right side
    3,621.68x = 10,133,861.24
  5. Step 5: Solve for x
    x = 10,133,861.24/3,621.68
  6. Step 6: Final answer
    x = 2,798.11

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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.