Home / 3,579.60-4,939.91-2,321.16

Finding the Fourth Proportional to 3,579.60, 4,939.91 and 2,321.16

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Solution

The fourth proportional to 3,579.60, 4,939.91 and 2,321.16 is: 3,203.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.60 : 4,939.91 = 2,321.16 : x
  2. Step 2: Convert to fraction form
    3,579.60/4,939.91 = 2,321.16/x
  3. Step 3: Cross multiply
    3,579.60x = 4,939.91 × 2,321.16
  4. Step 4: Simplify right side
    3,579.60x = 11,466,309.89
  5. Step 5: Solve for x
    x = 11,466,309.89/3,579.60
  6. Step 6: Final answer
    x = 3,203.24

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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.