Home / 3,790.24-5,228.40-2,218

Finding the Fourth Proportional to 3,790.24, 5,228.40 and 2,218

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Solution

The fourth proportional to 3,790.24, 5,228.40 and 2,218 is: 3,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.24 : 5,228.40 = 2,218 : x
  2. Step 2: Convert to fraction form
    3,790.24/5,228.40 = 2,218/x
  3. Step 3: Cross multiply
    3,790.24x = 5,228.40 × 2,218
  4. Step 4: Simplify right side
    3,790.24x = 11,596,591.20
  5. Step 5: Solve for x
    x = 11,596,591.20/3,790.24
  6. Step 6: Final answer
    x = 3,059.59

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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.