Home / 2,202.62-3,039.61-1,207.99

Finding the Fourth Proportional to 2,202.62, 3,039.61 and 1,207.99

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Solution

The fourth proportional to 2,202.62, 3,039.61 and 1,207.99 is: 1,667.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.62 : 3,039.61 = 1,207.99 : x
  2. Step 2: Convert to fraction form
    2,202.62/3,039.61 = 1,207.99/x
  3. Step 3: Cross multiply
    2,202.62x = 3,039.61 × 1,207.99
  4. Step 4: Simplify right side
    2,202.62x = 3,671,797.25
  5. Step 5: Solve for x
    x = 3,671,797.25/2,202.62
  6. Step 6: Final answer
    x = 1,667.02

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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.