Home / 3,476.73-5,189.80-3,219.75

Finding the Fourth Proportional to 3,476.73, 5,189.80 and 3,219.75

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Solution

The fourth proportional to 3,476.73, 5,189.80 and 3,219.75 is: 4,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.73 : 5,189.80 = 3,219.75 : x
  2. Step 2: Convert to fraction form
    3,476.73/5,189.80 = 3,219.75/x
  3. Step 3: Cross multiply
    3,476.73x = 5,189.80 × 3,219.75
  4. Step 4: Simplify right side
    3,476.73x = 16,709,882.96
  5. Step 5: Solve for x
    x = 16,709,882.96/3,476.73
  6. Step 6: Final answer
    x = 4,806.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.