Home / 2,992.95-4,135.97-2,245.62

Finding the Fourth Proportional to 2,992.95, 4,135.97 and 2,245.62

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Solution

The fourth proportional to 2,992.95, 4,135.97 and 2,245.62 is: 3,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.95 : 4,135.97 = 2,245.62 : x
  2. Step 2: Convert to fraction form
    2,992.95/4,135.97 = 2,245.62/x
  3. Step 3: Cross multiply
    2,992.95x = 4,135.97 × 2,245.62
  4. Step 4: Simplify right side
    2,992.95x = 9,287,816.95
  5. Step 5: Solve for x
    x = 9,287,816.95/2,992.95
  6. Step 6: Final answer
    x = 3,103.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.