Home / 3,105.48-4,659.72-1,545.36

Finding the Fourth Proportional to 3,105.48, 4,659.72 and 1,545.36

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Solution

The fourth proportional to 3,105.48, 4,659.72 and 1,545.36 is: 2,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.48 : 4,659.72 = 1,545.36 : x
  2. Step 2: Convert to fraction form
    3,105.48/4,659.72 = 1,545.36/x
  3. Step 3: Cross multiply
    3,105.48x = 4,659.72 × 1,545.36
  4. Step 4: Simplify right side
    3,105.48x = 7,200,944.90
  5. Step 5: Solve for x
    x = 7,200,944.90/3,105.48
  6. Step 6: Final answer
    x = 2,318.79

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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.