Home / 3,109.52-4,662.81-1,133.75

Finding the Fourth Proportional to 3,109.52, 4,662.81 and 1,133.75

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Solution

The fourth proportional to 3,109.52, 4,662.81 and 1,133.75 is: 1,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.52 : 4,662.81 = 1,133.75 : x
  2. Step 2: Convert to fraction form
    3,109.52/4,662.81 = 1,133.75/x
  3. Step 3: Cross multiply
    3,109.52x = 4,662.81 × 1,133.75
  4. Step 4: Simplify right side
    3,109.52x = 5,286,472.49
  5. Step 5: Solve for x
    x = 5,286,472.49/3,109.52
  6. Step 6: Final answer
    x = 1,700.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.