Home / 3,551.08-5,322.74-1,819.80

Finding the Fourth Proportional to 3,551.08, 5,322.74 and 1,819.80

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Solution

The fourth proportional to 3,551.08, 5,322.74 and 1,819.80 is: 2,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.08 : 5,322.74 = 1,819.80 : x
  2. Step 2: Convert to fraction form
    3,551.08/5,322.74 = 1,819.80/x
  3. Step 3: Cross multiply
    3,551.08x = 5,322.74 × 1,819.80
  4. Step 4: Simplify right side
    3,551.08x = 9,686,322.25
  5. Step 5: Solve for x
    x = 9,686,322.25/3,551.08
  6. Step 6: Final answer
    x = 2,727.71

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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.