Home / 3,799.68-5,243.28-2,228.64

Finding the Fourth Proportional to 3,799.68, 5,243.28 and 2,228.64

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Solution

The fourth proportional to 3,799.68, 5,243.28 and 2,228.64 is: 3,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.68 : 5,243.28 = 2,228.64 : x
  2. Step 2: Convert to fraction form
    3,799.68/5,243.28 = 2,228.64/x
  3. Step 3: Cross multiply
    3,799.68x = 5,243.28 × 2,228.64
  4. Step 4: Simplify right side
    3,799.68x = 11,685,383.54
  5. Step 5: Solve for x
    x = 11,685,383.54/3,799.68
  6. Step 6: Final answer
    x = 3,075.36

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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.