Home / 3,105.92-4,659.65-1,026.04

Finding the Fourth Proportional to 3,105.92, 4,659.65 and 1,026.04

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Solution

The fourth proportional to 3,105.92, 4,659.65 and 1,026.04 is: 1,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.92 : 4,659.65 = 1,026.04 : x
  2. Step 2: Convert to fraction form
    3,105.92/4,659.65 = 1,026.04/x
  3. Step 3: Cross multiply
    3,105.92x = 4,659.65 × 1,026.04
  4. Step 4: Simplify right side
    3,105.92x = 4,780,975.64
  5. Step 5: Solve for x
    x = 4,780,975.64/3,105.92
  6. Step 6: Final answer
    x = 1,539.31

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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.