Home / 4,045.44-6,069.76-1,992

Finding the Fourth Proportional to 4,045.44, 6,069.76 and 1,992

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Solution

The fourth proportional to 4,045.44, 6,069.76 and 1,992 is: 2,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.44 : 6,069.76 = 1,992 : x
  2. Step 2: Convert to fraction form
    4,045.44/6,069.76 = 1,992/x
  3. Step 3: Cross multiply
    4,045.44x = 6,069.76 × 1,992
  4. Step 4: Simplify right side
    4,045.44x = 12,090,961.92
  5. Step 5: Solve for x
    x = 12,090,961.92/4,045.44
  6. Step 6: Final answer
    x = 2,988.79

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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.