Home / 3,606.82-4,979.67-2,945.23

Finding the Fourth Proportional to 3,606.82, 4,979.67 and 2,945.23

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Solution

The fourth proportional to 3,606.82, 4,979.67 and 2,945.23 is: 4,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.82 : 4,979.67 = 2,945.23 : x
  2. Step 2: Convert to fraction form
    3,606.82/4,979.67 = 2,945.23/x
  3. Step 3: Cross multiply
    3,606.82x = 4,979.67 × 2,945.23
  4. Step 4: Simplify right side
    3,606.82x = 14,666,273.47
  5. Step 5: Solve for x
    x = 14,666,273.47/3,606.82
  6. Step 6: Final answer
    x = 4,066.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.