Home / 3,630.26-5,445.40-1,165.30

Finding the Fourth Proportional to 3,630.26, 5,445.40 and 1,165.30

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Solution

The fourth proportional to 3,630.26, 5,445.40 and 1,165.30 is: 1,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.26 : 5,445.40 = 1,165.30 : x
  2. Step 2: Convert to fraction form
    3,630.26/5,445.40 = 1,165.30/x
  3. Step 3: Cross multiply
    3,630.26x = 5,445.40 × 1,165.30
  4. Step 4: Simplify right side
    3,630.26x = 6,345,524.62
  5. Step 5: Solve for x
    x = 6,345,524.62/3,630.26
  6. Step 6: Final answer
    x = 1,747.95

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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.