Home / 3,882.25-5,357.37-2,203.80

Finding the Fourth Proportional to 3,882.25, 5,357.37 and 2,203.80

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Solution

The fourth proportional to 3,882.25, 5,357.37 and 2,203.80 is: 3,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.25 : 5,357.37 = 2,203.80 : x
  2. Step 2: Convert to fraction form
    3,882.25/5,357.37 = 2,203.80/x
  3. Step 3: Cross multiply
    3,882.25x = 5,357.37 × 2,203.80
  4. Step 4: Simplify right side
    3,882.25x = 11,806,572.01
  5. Step 5: Solve for x
    x = 11,806,572.01/3,882.25
  6. Step 6: Final answer
    x = 3,041.17

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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.