Home / 2,749.43-4,120.41-1,514.99

Finding the Fourth Proportional to 2,749.43, 4,120.41 and 1,514.99

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Solution

The fourth proportional to 2,749.43, 4,120.41 and 1,514.99 is: 2,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.43 : 4,120.41 = 1,514.99 : x
  2. Step 2: Convert to fraction form
    2,749.43/4,120.41 = 1,514.99/x
  3. Step 3: Cross multiply
    2,749.43x = 4,120.41 × 1,514.99
  4. Step 4: Simplify right side
    2,749.43x = 6,242,379.95
  5. Step 5: Solve for x
    x = 6,242,379.95/2,749.43
  6. Step 6: Final answer
    x = 2,270.43

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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.