Home / 2,308.92-3,463.09-1,138.99

Finding the Fourth Proportional to 2,308.92, 3,463.09 and 1,138.99

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Solution

The fourth proportional to 2,308.92, 3,463.09 and 1,138.99 is: 1,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.92 : 3,463.09 = 1,138.99 : x
  2. Step 2: Convert to fraction form
    2,308.92/3,463.09 = 1,138.99/x
  3. Step 3: Cross multiply
    2,308.92x = 3,463.09 × 1,138.99
  4. Step 4: Simplify right side
    2,308.92x = 3,944,414.93
  5. Step 5: Solve for x
    x = 3,944,414.93/2,308.92
  6. Step 6: Final answer
    x = 1,708.34

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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.