Home / 3,786.84-5,225.88-2,294.70

Finding the Fourth Proportional to 3,786.84, 5,225.88 and 2,294.70

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Solution

The fourth proportional to 3,786.84, 5,225.88 and 2,294.70 is: 3,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.84 : 5,225.88 = 2,294.70 : x
  2. Step 2: Convert to fraction form
    3,786.84/5,225.88 = 2,294.70/x
  3. Step 3: Cross multiply
    3,786.84x = 5,225.88 × 2,294.70
  4. Step 4: Simplify right side
    3,786.84x = 11,991,826.84
  5. Step 5: Solve for x
    x = 11,991,826.84/3,786.84
  6. Step 6: Final answer
    x = 3,166.71

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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.