Home / 3,827.70-5,282.43-2,149.02

Finding the Fourth Proportional to 3,827.70, 5,282.43 and 2,149.02

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Solution

The fourth proportional to 3,827.70, 5,282.43 and 2,149.02 is: 2,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.70 : 5,282.43 = 2,149.02 : x
  2. Step 2: Convert to fraction form
    3,827.70/5,282.43 = 2,149.02/x
  3. Step 3: Cross multiply
    3,827.70x = 5,282.43 × 2,149.02
  4. Step 4: Simplify right side
    3,827.70x = 11,352,047.72
  5. Step 5: Solve for x
    x = 11,352,047.72/3,827.70
  6. Step 6: Final answer
    x = 2,965.76

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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.