Home / 3,923.88-5,885.82-1,326.75

Finding the Fourth Proportional to 3,923.88, 5,885.82 and 1,326.75

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Solution

The fourth proportional to 3,923.88, 5,885.82 and 1,326.75 is: 1,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.88 : 5,885.82 = 1,326.75 : x
  2. Step 2: Convert to fraction form
    3,923.88/5,885.82 = 1,326.75/x
  3. Step 3: Cross multiply
    3,923.88x = 5,885.82 × 1,326.75
  4. Step 4: Simplify right side
    3,923.88x = 7,809,011.69
  5. Step 5: Solve for x
    x = 7,809,011.69/3,923.88
  6. Step 6: Final answer
    x = 1,990.13

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Similar ratio
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1.5x scale

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.