Home / 3,293.30-4,940.09-1,103.60

Finding the Fourth Proportional to 3,293.30, 4,940.09 and 1,103.60

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Solution

The fourth proportional to 3,293.30, 4,940.09 and 1,103.60 is: 1,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293.30 : 4,940.09 = 1,103.60 : x
  2. Step 2: Convert to fraction form
    3,293.30/4,940.09 = 1,103.60/x
  3. Step 3: Cross multiply
    3,293.30x = 4,940.09 × 1,103.60
  4. Step 4: Simplify right side
    3,293.30x = 5,451,877.81
  5. Step 5: Solve for x
    x = 5,451,877.81/3,293.30
  6. Step 6: Final answer
    x = 1,655.45

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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.