Home / 3,324.80-4,987.52-1,245.44

Finding the Fourth Proportional to 3,324.80, 4,987.52 and 1,245.44

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Solution

The fourth proportional to 3,324.80, 4,987.52 and 1,245.44 is: 1,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.80 : 4,987.52 = 1,245.44 : x
  2. Step 2: Convert to fraction form
    3,324.80/4,987.52 = 1,245.44/x
  3. Step 3: Cross multiply
    3,324.80x = 4,987.52 × 1,245.44
  4. Step 4: Simplify right side
    3,324.80x = 6,211,656.91
  5. Step 5: Solve for x
    x = 6,211,656.91/3,324.80
  6. Step 6: Final answer
    x = 1,868.28

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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.