Home / 3,538.98-4,882.14-2,122.02

Finding the Fourth Proportional to 3,538.98, 4,882.14 and 2,122.02

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Solution

The fourth proportional to 3,538.98, 4,882.14 and 2,122.02 is: 2,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.98 : 4,882.14 = 2,122.02 : x
  2. Step 2: Convert to fraction form
    3,538.98/4,882.14 = 2,122.02/x
  3. Step 3: Cross multiply
    3,538.98x = 4,882.14 × 2,122.02
  4. Step 4: Simplify right side
    3,538.98x = 10,359,998.72
  5. Step 5: Solve for x
    x = 10,359,998.72/3,538.98
  6. Step 6: Final answer
    x = 2,927.40

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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.