Home / 3,855.53-5,320.82-2,240.93

Finding the Fourth Proportional to 3,855.53, 5,320.82 and 2,240.93

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Solution

The fourth proportional to 3,855.53, 5,320.82 and 2,240.93 is: 3,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.53 : 5,320.82 = 2,240.93 : x
  2. Step 2: Convert to fraction form
    3,855.53/5,320.82 = 2,240.93/x
  3. Step 3: Cross multiply
    3,855.53x = 5,320.82 × 2,240.93
  4. Step 4: Simplify right side
    3,855.53x = 11,923,604.07
  5. Step 5: Solve for x
    x = 11,923,604.07/3,855.53
  6. Step 6: Final answer
    x = 3,092.60

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1.5x scale

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.