Home / 3,606.92-5,405.68-1,654.80

Finding the Fourth Proportional to 3,606.92, 5,405.68 and 1,654.80

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Solution

The fourth proportional to 3,606.92, 5,405.68 and 1,654.80 is: 2,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.92 : 5,405.68 = 1,654.80 : x
  2. Step 2: Convert to fraction form
    3,606.92/5,405.68 = 1,654.80/x
  3. Step 3: Cross multiply
    3,606.92x = 5,405.68 × 1,654.80
  4. Step 4: Simplify right side
    3,606.92x = 8,945,319.26
  5. Step 5: Solve for x
    x = 8,945,319.26/3,606.92
  6. Step 6: Final answer
    x = 2,480.04

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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.