Home / 2,992.24-4,489.08-1,261

Finding the Fourth Proportional to 2,992.24, 4,489.08 and 1,261

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Solution

The fourth proportional to 2,992.24, 4,489.08 and 1,261 is: 1,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.24 : 4,489.08 = 1,261 : x
  2. Step 2: Convert to fraction form
    2,992.24/4,489.08 = 1,261/x
  3. Step 3: Cross multiply
    2,992.24x = 4,489.08 × 1,261
  4. Step 4: Simplify right side
    2,992.24x = 5,660,729.88
  5. Step 5: Solve for x
    x = 5,660,729.88/2,992.24
  6. Step 6: Final answer
    x = 1,891.80

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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.