Home / 3,321.24-4,981.50-2,084.88

Finding the Fourth Proportional to 3,321.24, 4,981.50 and 2,084.88

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Solution

The fourth proportional to 3,321.24, 4,981.50 and 2,084.88 is: 3,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.24 : 4,981.50 = 2,084.88 : x
  2. Step 2: Convert to fraction form
    3,321.24/4,981.50 = 2,084.88/x
  3. Step 3: Cross multiply
    3,321.24x = 4,981.50 × 2,084.88
  4. Step 4: Simplify right side
    3,321.24x = 10,385,829.72
  5. Step 5: Solve for x
    x = 10,385,829.72/3,321.24
  6. Step 6: Final answer
    x = 3,127.09

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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.