Home / 3,945.46-5,444.67-2,177.08

Finding the Fourth Proportional to 3,945.46, 5,444.67 and 2,177.08

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Solution

The fourth proportional to 3,945.46, 5,444.67 and 2,177.08 is: 3,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.46 : 5,444.67 = 2,177.08 : x
  2. Step 2: Convert to fraction form
    3,945.46/5,444.67 = 2,177.08/x
  3. Step 3: Cross multiply
    3,945.46x = 5,444.67 × 2,177.08
  4. Step 4: Simplify right side
    3,945.46x = 11,853,464.47
  5. Step 5: Solve for x
    x = 11,853,464.47/3,945.46
  6. Step 6: Final answer
    x = 3,004.33

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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.