Home / 4,021.72-5,549.92-2,253.36

Finding the Fourth Proportional to 4,021.72, 5,549.92 and 2,253.36

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Solution

The fourth proportional to 4,021.72, 5,549.92 and 2,253.36 is: 3,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.72 : 5,549.92 = 2,253.36 : x
  2. Step 2: Convert to fraction form
    4,021.72/5,549.92 = 2,253.36/x
  3. Step 3: Cross multiply
    4,021.72x = 5,549.92 × 2,253.36
  4. Step 4: Simplify right side
    4,021.72x = 12,505,967.73
  5. Step 5: Solve for x
    x = 12,505,967.73/4,021.72
  6. Step 6: Final answer
    x = 3,109.61

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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.