Home / 3,949.29-5,450.42-2,952.86

Finding the Fourth Proportional to 3,949.29, 5,450.42 and 2,952.86

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Solution

The fourth proportional to 3,949.29, 5,450.42 and 2,952.86 is: 4,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.29 : 5,450.42 = 2,952.86 : x
  2. Step 2: Convert to fraction form
    3,949.29/5,450.42 = 2,952.86/x
  3. Step 3: Cross multiply
    3,949.29x = 5,450.42 × 2,952.86
  4. Step 4: Simplify right side
    3,949.29x = 16,094,307.33
  5. Step 5: Solve for x
    x = 16,094,307.33/3,949.29
  6. Step 6: Final answer
    x = 4,075.24

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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.