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Finding the Fourth Proportional to 2,305.69, 3,454.39 and 1,481.92

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Solution

The fourth proportional to 2,305.69, 3,454.39 and 1,481.92 is: 2,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.69 : 3,454.39 = 1,481.92 : x
  2. Step 2: Convert to fraction form
    2,305.69/3,454.39 = 1,481.92/x
  3. Step 3: Cross multiply
    2,305.69x = 3,454.39 × 1,481.92
  4. Step 4: Simplify right side
    2,305.69x = 5,119,129.63
  5. Step 5: Solve for x
    x = 5,119,129.63/2,305.69
  6. Step 6: Final answer
    x = 2,220.22

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1.5x scale

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.