Home / 3,574-4,932.66-2,177.56

Finding the Fourth Proportional to 3,574, 4,932.66 and 2,177.56

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Solution

The fourth proportional to 3,574, 4,932.66 and 2,177.56 is: 3,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574 : 4,932.66 = 2,177.56 : x
  2. Step 2: Convert to fraction form
    3,574/4,932.66 = 2,177.56/x
  3. Step 3: Cross multiply
    3,574x = 4,932.66 × 2,177.56
  4. Step 4: Simplify right side
    3,574x = 10,741,163.11
  5. Step 5: Solve for x
    x = 10,741,163.11/3,574
  6. Step 6: Final answer
    x = 3,005.36

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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.