Home / 3,321.15-4,580.43-1,993.91

Finding the Fourth Proportional to 3,321.15, 4,580.43 and 1,993.91

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Solution

The fourth proportional to 3,321.15, 4,580.43 and 1,993.91 is: 2,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.15 : 4,580.43 = 1,993.91 : x
  2. Step 2: Convert to fraction form
    3,321.15/4,580.43 = 1,993.91/x
  3. Step 3: Cross multiply
    3,321.15x = 4,580.43 × 1,993.91
  4. Step 4: Simplify right side
    3,321.15x = 9,132,934.80
  5. Step 5: Solve for x
    x = 9,132,934.80/3,321.15
  6. Step 6: Final answer
    x = 2,749.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.