Home / 3,790.29-5,230.25-2,796.12

Finding the Fourth Proportional to 3,790.29, 5,230.25 and 2,796.12

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Solution

The fourth proportional to 3,790.29, 5,230.25 and 2,796.12 is: 3,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.29 : 5,230.25 = 2,796.12 : x
  2. Step 2: Convert to fraction form
    3,790.29/5,230.25 = 2,796.12/x
  3. Step 3: Cross multiply
    3,790.29x = 5,230.25 × 2,796.12
  4. Step 4: Simplify right side
    3,790.29x = 14,624,392.65
  5. Step 5: Solve for x
    x = 14,624,392.65/3,790.29
  6. Step 6: Final answer
    x = 3,858.38

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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.