Home / 3,790.52-5,230.96-2,112.03

Finding the Fourth Proportional to 3,790.52, 5,230.96 and 2,112.03

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Solution

The fourth proportional to 3,790.52, 5,230.96 and 2,112.03 is: 2,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.52 : 5,230.96 = 2,112.03 : x
  2. Step 2: Convert to fraction form
    3,790.52/5,230.96 = 2,112.03/x
  3. Step 3: Cross multiply
    3,790.52x = 5,230.96 × 2,112.03
  4. Step 4: Simplify right side
    3,790.52x = 11,047,918.29
  5. Step 5: Solve for x
    x = 11,047,918.29/3,790.52
  6. Step 6: Final answer
    x = 2,914.62

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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.