Home / 3,790.88-5,231.44-2,219.00

Finding the Fourth Proportional to 3,790.88, 5,231.44 and 2,219.00

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Solution

The fourth proportional to 3,790.88, 5,231.44 and 2,219.00 is: 3,062.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.88 : 5,231.44 = 2,219.00 : x
  2. Step 2: Convert to fraction form
    3,790.88/5,231.44 = 2,219.00/x
  3. Step 3: Cross multiply
    3,790.88x = 5,231.44 × 2,219.00
  4. Step 4: Simplify right side
    3,790.88x = 11,608,581.21
  5. Step 5: Solve for x
    x = 11,608,581.21/3,790.88
  6. Step 6: Final answer
    x = 3,062.24

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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.