Home / 3,771.45-5,655.82-1,305.60

Finding the Fourth Proportional to 3,771.45, 5,655.82 and 1,305.60

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Solution

The fourth proportional to 3,771.45, 5,655.82 and 1,305.60 is: 1,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.45 : 5,655.82 = 1,305.60 : x
  2. Step 2: Convert to fraction form
    3,771.45/5,655.82 = 1,305.60/x
  3. Step 3: Cross multiply
    3,771.45x = 5,655.82 × 1,305.60
  4. Step 4: Simplify right side
    3,771.45x = 7,384,238.59
  5. Step 5: Solve for x
    x = 7,384,238.59/3,771.45
  6. Step 6: Final answer
    x = 1,957.93

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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.