Home / 3,538.35-4,882.41-2,122.07

Finding the Fourth Proportional to 3,538.35, 4,882.41 and 2,122.07

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Solution

The fourth proportional to 3,538.35, 4,882.41 and 2,122.07 is: 2,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.35 : 4,882.41 = 2,122.07 : x
  2. Step 2: Convert to fraction form
    3,538.35/4,882.41 = 2,122.07/x
  3. Step 3: Cross multiply
    3,538.35x = 4,882.41 × 2,122.07
  4. Step 4: Simplify right side
    3,538.35x = 10,360,791.38
  5. Step 5: Solve for x
    x = 10,360,791.38/3,538.35
  6. Step 6: Final answer
    x = 2,928.14

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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.