Home / 3,321.06-4,980.43-1,473.47

Finding the Fourth Proportional to 3,321.06, 4,980.43 and 1,473.47

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Solution

The fourth proportional to 3,321.06, 4,980.43 and 1,473.47 is: 2,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.06 : 4,980.43 = 1,473.47 : x
  2. Step 2: Convert to fraction form
    3,321.06/4,980.43 = 1,473.47/x
  3. Step 3: Cross multiply
    3,321.06x = 4,980.43 × 1,473.47
  4. Step 4: Simplify right side
    3,321.06x = 7,338,514.19
  5. Step 5: Solve for x
    x = 7,338,514.19/3,321.06
  6. Step 6: Final answer
    x = 2,209.69

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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.