Home / 3,580.85-4,940.73-2,321.51

Finding the Fourth Proportional to 3,580.85, 4,940.73 and 2,321.51

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Solution

The fourth proportional to 3,580.85, 4,940.73 and 2,321.51 is: 3,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.85 : 4,940.73 = 2,321.51 : x
  2. Step 2: Convert to fraction form
    3,580.85/4,940.73 = 2,321.51/x
  3. Step 3: Cross multiply
    3,580.85x = 4,940.73 × 2,321.51
  4. Step 4: Simplify right side
    3,580.85x = 11,469,929.40
  5. Step 5: Solve for x
    x = 11,469,929.40/3,580.85
  6. Step 6: Final answer
    x = 3,203.13

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1.5x scale

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.