Home / 3,321.61-4,580.35-2,481.00

Finding the Fourth Proportional to 3,321.61, 4,580.35 and 2,481.00

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Solution

The fourth proportional to 3,321.61, 4,580.35 and 2,481.00 is: 3,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.61 : 4,580.35 = 2,481.00 : x
  2. Step 2: Convert to fraction form
    3,321.61/4,580.35 = 2,481.00/x
  3. Step 3: Cross multiply
    3,321.61x = 4,580.35 × 2,481.00
  4. Step 4: Simplify right side
    3,321.61x = 11,363,824.97
  5. Step 5: Solve for x
    x = 11,363,824.97/3,321.61
  6. Step 6: Final answer
    x = 3,421.18

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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.