Home / 3,768.25-5,206.33-3,136.76

Finding the Fourth Proportional to 3,768.25, 5,206.33 and 3,136.76

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Solution

The fourth proportional to 3,768.25, 5,206.33 and 3,136.76 is: 4,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.25 : 5,206.33 = 3,136.76 : x
  2. Step 2: Convert to fraction form
    3,768.25/5,206.33 = 3,136.76/x
  3. Step 3: Cross multiply
    3,768.25x = 5,206.33 × 3,136.76
  4. Step 4: Simplify right side
    3,768.25x = 16,330,965.98
  5. Step 5: Solve for x
    x = 16,330,965.98/3,768.25
  6. Step 6: Final answer
    x = 4,333.83

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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.