Home / 2,200.30-3,295.65-1,102.75

Finding the Fourth Proportional to 2,200.30, 3,295.65 and 1,102.75

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Solution

The fourth proportional to 2,200.30, 3,295.65 and 1,102.75 is: 1,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.30 : 3,295.65 = 1,102.75 : x
  2. Step 2: Convert to fraction form
    2,200.30/3,295.65 = 1,102.75/x
  3. Step 3: Cross multiply
    2,200.30x = 3,295.65 × 1,102.75
  4. Step 4: Simplify right side
    2,200.30x = 3,634,278.04
  5. Step 5: Solve for x
    x = 3,634,278.04/2,200.30
  6. Step 6: Final answer
    x = 1,651.72

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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.