Home / 3,169.56-4,754.96-1,221.62

Finding the Fourth Proportional to 3,169.56, 4,754.96 and 1,221.62

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Solution

The fourth proportional to 3,169.56, 4,754.96 and 1,221.62 is: 1,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.56 : 4,754.96 = 1,221.62 : x
  2. Step 2: Convert to fraction form
    3,169.56/4,754.96 = 1,221.62/x
  3. Step 3: Cross multiply
    3,169.56x = 4,754.96 × 1,221.62
  4. Step 4: Simplify right side
    3,169.56x = 5,808,728.93
  5. Step 5: Solve for x
    x = 5,808,728.93/3,169.56
  6. Step 6: Final answer
    x = 1,832.66

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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.