Home / 3,786.57-5,225.41-2,107.93

Finding the Fourth Proportional to 3,786.57, 5,225.41 and 2,107.93

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Solution

The fourth proportional to 3,786.57, 5,225.41 and 2,107.93 is: 2,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.57 : 5,225.41 = 2,107.93 : x
  2. Step 2: Convert to fraction form
    3,786.57/5,225.41 = 2,107.93/x
  3. Step 3: Cross multiply
    3,786.57x = 5,225.41 × 2,107.93
  4. Step 4: Simplify right side
    3,786.57x = 11,014,798.50
  5. Step 5: Solve for x
    x = 11,014,798.50/3,786.57
  6. Step 6: Final answer
    x = 2,908.91

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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.