Home / 3,882.45-5,357.97-2,203.77

Finding the Fourth Proportional to 3,882.45, 5,357.97 and 2,203.77

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Solution

The fourth proportional to 3,882.45, 5,357.97 and 2,203.77 is: 3,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.45 : 5,357.97 = 2,203.77 : x
  2. Step 2: Convert to fraction form
    3,882.45/5,357.97 = 2,203.77/x
  3. Step 3: Cross multiply
    3,882.45x = 5,357.97 × 2,203.77
  4. Step 4: Simplify right side
    3,882.45x = 11,807,733.55
  5. Step 5: Solve for x
    x = 11,807,733.55/3,882.45
  6. Step 6: Final answer
    x = 3,041.31

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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.