Home / 3,288.28-4,931.94-1,097

Finding the Fourth Proportional to 3,288.28, 4,931.94 and 1,097

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Solution

The fourth proportional to 3,288.28, 4,931.94 and 1,097 is: 1,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.28 : 4,931.94 = 1,097 : x
  2. Step 2: Convert to fraction form
    3,288.28/4,931.94 = 1,097/x
  3. Step 3: Cross multiply
    3,288.28x = 4,931.94 × 1,097
  4. Step 4: Simplify right side
    3,288.28x = 5,410,338.18
  5. Step 5: Solve for x
    x = 5,410,338.18/3,288.28
  6. Step 6: Final answer
    x = 1,645.34

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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.