Home / 3,654.48-5,481.70-1,806.46

Finding the Fourth Proportional to 3,654.48, 5,481.70 and 1,806.46

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Solution

The fourth proportional to 3,654.48, 5,481.70 and 1,806.46 is: 2,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.48 : 5,481.70 = 1,806.46 : x
  2. Step 2: Convert to fraction form
    3,654.48/5,481.70 = 1,806.46/x
  3. Step 3: Cross multiply
    3,654.48x = 5,481.70 × 1,806.46
  4. Step 4: Simplify right side
    3,654.48x = 9,902,471.78
  5. Step 5: Solve for x
    x = 9,902,471.78/3,654.48
  6. Step 6: Final answer
    x = 2,709.68

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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.