Home / 3,168.93-4,754.12-1,221.69

Finding the Fourth Proportional to 3,168.93, 4,754.12 and 1,221.69

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Solution

The fourth proportional to 3,168.93, 4,754.12 and 1,221.69 is: 1,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.93 : 4,754.12 = 1,221.69 : x
  2. Step 2: Convert to fraction form
    3,168.93/4,754.12 = 1,221.69/x
  3. Step 3: Cross multiply
    3,168.93x = 4,754.12 × 1,221.69
  4. Step 4: Simplify right side
    3,168.93x = 5,808,054.75
  5. Step 5: Solve for x
    x = 5,808,054.75/3,168.93
  6. Step 6: Final answer
    x = 1,832.81

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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.