Home / 3,945.65-5,444.96-2,177.24

Finding the Fourth Proportional to 3,945.65, 5,444.96 and 2,177.24

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Solution

The fourth proportional to 3,945.65, 5,444.96 and 2,177.24 is: 3,004.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.65 : 5,444.96 = 2,177.24 : x
  2. Step 2: Convert to fraction form
    3,945.65/5,444.96 = 2,177.24/x
  3. Step 3: Cross multiply
    3,945.65x = 5,444.96 × 2,177.24
  4. Step 4: Simplify right side
    3,945.65x = 11,854,946.60
  5. Step 5: Solve for x
    x = 11,854,946.60/3,945.65
  6. Step 6: Final answer
    x = 3,004.56

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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.