Home / 4,021.72-5,549.94-2,253.34

Finding the Fourth Proportional to 4,021.72, 5,549.94 and 2,253.34

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Solution

The fourth proportional to 4,021.72, 5,549.94 and 2,253.34 is: 3,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.72 : 5,549.94 = 2,253.34 : x
  2. Step 2: Convert to fraction form
    4,021.72/5,549.94 = 2,253.34/x
  3. Step 3: Cross multiply
    4,021.72x = 5,549.94 × 2,253.34
  4. Step 4: Simplify right side
    4,021.72x = 12,505,901.80
  5. Step 5: Solve for x
    x = 12,505,901.80/4,021.72
  6. Step 6: Final answer
    x = 3,109.59

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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.