Home / 3,882.45-5,357.77-2,114.09

Finding the Fourth Proportional to 3,882.45, 5,357.77 and 2,114.09

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Solution

The fourth proportional to 3,882.45, 5,357.77 and 2,114.09 is: 2,917.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.45 : 5,357.77 = 2,114.09 : x
  2. Step 2: Convert to fraction form
    3,882.45/5,357.77 = 2,114.09/x
  3. Step 3: Cross multiply
    3,882.45x = 5,357.77 × 2,114.09
  4. Step 4: Simplify right side
    3,882.45x = 11,326,807.98
  5. Step 5: Solve for x
    x = 11,326,807.98/3,882.45
  6. Step 6: Final answer
    x = 2,917.44

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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.