Home / 3,945.59-5,444.83-2,177.36

Finding the Fourth Proportional to 3,945.59, 5,444.83 and 2,177.36

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Solution

The fourth proportional to 3,945.59, 5,444.83 and 2,177.36 is: 3,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.59 : 5,444.83 = 2,177.36 : x
  2. Step 2: Convert to fraction form
    3,945.59/5,444.83 = 2,177.36/x
  3. Step 3: Cross multiply
    3,945.59x = 5,444.83 × 2,177.36
  4. Step 4: Simplify right side
    3,945.59x = 11,855,355.05
  5. Step 5: Solve for x
    x = 11,855,355.05/3,945.59
  6. Step 6: Final answer
    x = 3,004.71

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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.