Home / 3,293.20-4,939-1,101.36

Finding the Fourth Proportional to 3,293.20, 4,939 and 1,101.36

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Solution

The fourth proportional to 3,293.20, 4,939 and 1,101.36 is: 1,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.20 : 4,939 = 1,101.36 : x
  2. Step 2: Convert to fraction form
    3,293.20/4,939 = 1,101.36/x
  3. Step 3: Cross multiply
    3,293.20x = 4,939 × 1,101.36
  4. Step 4: Simplify right side
    3,293.20x = 5,439,617.04
  5. Step 5: Solve for x
    x = 5,439,617.04/3,293.20
  6. Step 6: Final answer
    x = 1,651.77

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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.