Home / 3,097.24-4,645.68-905.92

Finding the Fourth Proportional to 3,097.24, 4,645.68 and 905.92

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Solution

The fourth proportional to 3,097.24, 4,645.68 and 905.92 is: 1,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.24 : 4,645.68 = 905.92 : x
  2. Step 2: Convert to fraction form
    3,097.24/4,645.68 = 905.92/x
  3. Step 3: Cross multiply
    3,097.24x = 4,645.68 × 905.92
  4. Step 4: Simplify right side
    3,097.24x = 4,208,614.43
  5. Step 5: Solve for x
    x = 4,208,614.43/3,097.24
  6. Step 6: Final answer
    x = 1,358.83

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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.