Home / 3,538.28-4,882.85-2,212.75

Finding the Fourth Proportional to 3,538.28, 4,882.85 and 2,212.75

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Solution

The fourth proportional to 3,538.28, 4,882.85 and 2,212.75 is: 3,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.28 : 4,882.85 = 2,212.75 : x
  2. Step 2: Convert to fraction form
    3,538.28/4,882.85 = 2,212.75/x
  3. Step 3: Cross multiply
    3,538.28x = 4,882.85 × 2,212.75
  4. Step 4: Simplify right side
    3,538.28x = 10,804,490.86
  5. Step 5: Solve for x
    x = 10,804,490.86/3,538.28
  6. Step 6: Final answer
    x = 3,053.60

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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.