Home / 2,202.83-3,039.91-1,208.11

Finding the Fourth Proportional to 2,202.83, 3,039.91 and 1,208.11

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Solution

The fourth proportional to 2,202.83, 3,039.91 and 1,208.11 is: 1,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.83 : 3,039.91 = 1,208.11 : x
  2. Step 2: Convert to fraction form
    2,202.83/3,039.91 = 1,208.11/x
  3. Step 3: Cross multiply
    2,202.83x = 3,039.91 × 1,208.11
  4. Step 4: Simplify right side
    2,202.83x = 3,672,547.23
  5. Step 5: Solve for x
    x = 3,672,547.23/2,202.83
  6. Step 6: Final answer
    x = 1,667.20

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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.