Home / 2,844.68-3,921.84-2,553.08

Finding the Fourth Proportional to 2,844.68, 3,921.84 and 2,553.08

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Solution

The fourth proportional to 2,844.68, 3,921.84 and 2,553.08 is: 3,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844.68 : 3,921.84 = 2,553.08 : x
  2. Step 2: Convert to fraction form
    2,844.68/3,921.84 = 2,553.08/x
  3. Step 3: Cross multiply
    2,844.68x = 3,921.84 × 2,553.08
  4. Step 4: Simplify right side
    2,844.68x = 10,012,771.27
  5. Step 5: Solve for x
    x = 10,012,771.27/2,844.68
  6. Step 6: Final answer
    x = 3,519.82

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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.