Home / 2,207.45-3,308.45-1,036.80

Finding the Fourth Proportional to 2,207.45, 3,308.45 and 1,036.80

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Solution

The fourth proportional to 2,207.45, 3,308.45 and 1,036.80 is: 1,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.45 : 3,308.45 = 1,036.80 : x
  2. Step 2: Convert to fraction form
    2,207.45/3,308.45 = 1,036.80/x
  3. Step 3: Cross multiply
    2,207.45x = 3,308.45 × 1,036.80
  4. Step 4: Simplify right side
    2,207.45x = 3,430,195.78
  5. Step 5: Solve for x
    x = 3,430,195.78/2,207.45
  6. Step 6: Final answer
    x = 1,553.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.