Home / 3,465.09-5,192.60-1,979.73

Finding the Fourth Proportional to 3,465.09, 5,192.60 and 1,979.73

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Solution

The fourth proportional to 3,465.09, 5,192.60 and 1,979.73 is: 2,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.09 : 5,192.60 = 1,979.73 : x
  2. Step 2: Convert to fraction form
    3,465.09/5,192.60 = 1,979.73/x
  3. Step 3: Cross multiply
    3,465.09x = 5,192.60 × 1,979.73
  4. Step 4: Simplify right side
    3,465.09x = 10,279,923.12
  5. Step 5: Solve for x
    x = 10,279,923.12/3,465.09
  6. Step 6: Final answer
    x = 2,966.71

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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.