Home / 3,629.36-5,006.76-2,229.68

Finding the Fourth Proportional to 3,629.36, 5,006.76 and 2,229.68

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Solution

The fourth proportional to 3,629.36, 5,006.76 and 2,229.68 is: 3,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.36 : 5,006.76 = 2,229.68 : x
  2. Step 2: Convert to fraction form
    3,629.36/5,006.76 = 2,229.68/x
  3. Step 3: Cross multiply
    3,629.36x = 5,006.76 × 2,229.68
  4. Step 4: Simplify right side
    3,629.36x = 11,163,472.64
  5. Step 5: Solve for x
    x = 11,163,472.64/3,629.36
  6. Step 6: Final answer
    x = 3,075.88

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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.