Home / 3,654.96-5,479.56-1,922.64

Finding the Fourth Proportional to 3,654.96, 5,479.56 and 1,922.64

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Solution

The fourth proportional to 3,654.96, 5,479.56 and 1,922.64 is: 2,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.96 : 5,479.56 = 1,922.64 : x
  2. Step 2: Convert to fraction form
    3,654.96/5,479.56 = 1,922.64/x
  3. Step 3: Cross multiply
    3,654.96x = 5,479.56 × 1,922.64
  4. Step 4: Simplify right side
    3,654.96x = 10,535,221.24
  5. Step 5: Solve for x
    x = 10,535,221.24/3,654.96
  6. Step 6: Final answer
    x = 2,882.45

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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.