Home / 2,201.96-3,038.66-1,207.24

Finding the Fourth Proportional to 2,201.96, 3,038.66 and 1,207.24

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Solution

The fourth proportional to 2,201.96, 3,038.66 and 1,207.24 is: 1,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.96 : 3,038.66 = 1,207.24 : x
  2. Step 2: Convert to fraction form
    2,201.96/3,038.66 = 1,207.24/x
  3. Step 3: Cross multiply
    2,201.96x = 3,038.66 × 1,207.24
  4. Step 4: Simplify right side
    2,201.96x = 3,668,391.90
  5. Step 5: Solve for x
    x = 3,668,391.90/2,201.96
  6. Step 6: Final answer
    x = 1,665.97

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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.