Home / 3,939.66-5,434.53-2,501.37

Finding the Fourth Proportional to 3,939.66, 5,434.53 and 2,501.37

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Solution

The fourth proportional to 3,939.66, 5,434.53 and 2,501.37 is: 3,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.66 : 5,434.53 = 2,501.37 : x
  2. Step 2: Convert to fraction form
    3,939.66/5,434.53 = 2,501.37/x
  3. Step 3: Cross multiply
    3,939.66x = 5,434.53 × 2,501.37
  4. Step 4: Simplify right side
    3,939.66x = 13,593,770.31
  5. Step 5: Solve for x
    x = 13,593,770.31/3,939.66
  6. Step 6: Final answer
    x = 3,450.49

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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.