Home / 3,629.79-5,009.21-2,057.87

Finding the Fourth Proportional to 3,629.79, 5,009.21 and 2,057.87

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Solution

The fourth proportional to 3,629.79, 5,009.21 and 2,057.87 is: 2,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.79 : 5,009.21 = 2,057.87 : x
  2. Step 2: Convert to fraction form
    3,629.79/5,009.21 = 2,057.87/x
  3. Step 3: Cross multiply
    3,629.79x = 5,009.21 × 2,057.87
  4. Step 4: Simplify right side
    3,629.79x = 10,308,267.65
  5. Step 5: Solve for x
    x = 10,308,267.65/3,629.79
  6. Step 6: Final answer
    x = 2,839.91

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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.