Home / 2,202.66-3,039.70-1,207.98

Finding the Fourth Proportional to 2,202.66, 3,039.70 and 1,207.98

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Solution

The fourth proportional to 2,202.66, 3,039.70 and 1,207.98 is: 1,667.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.66 : 3,039.70 = 1,207.98 : x
  2. Step 2: Convert to fraction form
    2,202.66/3,039.70 = 1,207.98/x
  3. Step 3: Cross multiply
    2,202.66x = 3,039.70 × 1,207.98
  4. Step 4: Simplify right side
    2,202.66x = 3,671,886.62
  5. Step 5: Solve for x
    x = 3,671,886.62/2,202.66
  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.