Home / 3,514.56-5,273.20-2,128.92

Finding the Fourth Proportional to 3,514.56, 5,273.20 and 2,128.92

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Solution

The fourth proportional to 3,514.56, 5,273.20 and 2,128.92 is: 3,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.56 : 5,273.20 = 2,128.92 : x
  2. Step 2: Convert to fraction form
    3,514.56/5,273.20 = 2,128.92/x
  3. Step 3: Cross multiply
    3,514.56x = 5,273.20 × 2,128.92
  4. Step 4: Simplify right side
    3,514.56x = 11,226,220.94
  5. Step 5: Solve for x
    x = 11,226,220.94/3,514.56
  6. Step 6: Final answer
    x = 3,194.20

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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.