Home / 3,092.12-4,630.08-2,120.12

Finding the Fourth Proportional to 3,092.12, 4,630.08 and 2,120.12

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Solution

The fourth proportional to 3,092.12, 4,630.08 and 2,120.12 is: 3,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.12 : 4,630.08 = 2,120.12 : x
  2. Step 2: Convert to fraction form
    3,092.12/4,630.08 = 2,120.12/x
  3. Step 3: Cross multiply
    3,092.12x = 4,630.08 × 2,120.12
  4. Step 4: Simplify right side
    3,092.12x = 9,816,325.21
  5. Step 5: Solve for x
    x = 9,816,325.21/3,092.12
  6. Step 6: Final answer
    x = 3,174.63

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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.