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Finding the Fourth Proportional to 2,308.92, 3,186.01 and 1,313.92

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Solution

The fourth proportional to 2,308.92, 3,186.01 and 1,313.92 is: 1,813.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.92 : 3,186.01 = 1,313.92 : x
  2. Step 2: Convert to fraction form
    2,308.92/3,186.01 = 1,313.92/x
  3. Step 3: Cross multiply
    2,308.92x = 3,186.01 × 1,313.92
  4. Step 4: Simplify right side
    2,308.92x = 4,186,162.26
  5. Step 5: Solve for x
    x = 4,186,162.26/2,308.92
  6. Step 6: Final answer
    x = 1,813.04

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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.