Home / 3,529.56-5,293.38-1,221.72

Finding the Fourth Proportional to 3,529.56, 5,293.38 and 1,221.72

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Solution

The fourth proportional to 3,529.56, 5,293.38 and 1,221.72 is: 1,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.56 : 5,293.38 = 1,221.72 : x
  2. Step 2: Convert to fraction form
    3,529.56/5,293.38 = 1,221.72/x
  3. Step 3: Cross multiply
    3,529.56x = 5,293.38 × 1,221.72
  4. Step 4: Simplify right side
    3,529.56x = 6,467,028.21
  5. Step 5: Solve for x
    x = 6,467,028.21/3,529.56
  6. Step 6: Final answer
    x = 1,832.25

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1.5x scale

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.