Home / 3,949.61-5,922.21-2,485.63

Finding the Fourth Proportional to 3,949.61, 5,922.21 and 2,485.63

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Solution

The fourth proportional to 3,949.61, 5,922.21 and 2,485.63 is: 3,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.61 : 5,922.21 = 2,485.63 : x
  2. Step 2: Convert to fraction form
    3,949.61/5,922.21 = 2,485.63/x
  3. Step 3: Cross multiply
    3,949.61x = 5,922.21 × 2,485.63
  4. Step 4: Simplify right side
    3,949.61x = 14,720,393.23
  5. Step 5: Solve for x
    x = 14,720,393.23/3,949.61
  6. Step 6: Final answer
    x = 3,727.05

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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.