Home / 3,882.44-5,357.76-2,390.06

Finding the Fourth Proportional to 3,882.44, 5,357.76 and 2,390.06

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Solution

The fourth proportional to 3,882.44, 5,357.76 and 2,390.06 is: 3,298.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.44 : 5,357.76 = 2,390.06 : x
  2. Step 2: Convert to fraction form
    3,882.44/5,357.76 = 2,390.06/x
  3. Step 3: Cross multiply
    3,882.44x = 5,357.76 × 2,390.06
  4. Step 4: Simplify right side
    3,882.44x = 12,805,367.87
  5. Step 5: Solve for x
    x = 12,805,367.87/3,882.44
  6. Step 6: Final answer
    x = 3,298.28

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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.