Home / 3,108.12-4,662.14-1,259.22

Finding the Fourth Proportional to 3,108.12, 4,662.14 and 1,259.22

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Solution

The fourth proportional to 3,108.12, 4,662.14 and 1,259.22 is: 1,888.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.12 : 4,662.14 = 1,259.22 : x
  2. Step 2: Convert to fraction form
    3,108.12/4,662.14 = 1,259.22/x
  3. Step 3: Cross multiply
    3,108.12x = 4,662.14 × 1,259.22
  4. Step 4: Simplify right side
    3,108.12x = 5,870,659.93
  5. Step 5: Solve for x
    x = 5,870,659.93/3,108.12
  6. Step 6: Final answer
    x = 1,888.81

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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.