Home / 3,321.89-4,983.38-1,242.62

Finding the Fourth Proportional to 3,321.89, 4,983.38 and 1,242.62

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Solution

The fourth proportional to 3,321.89, 4,983.38 and 1,242.62 is: 1,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.89 : 4,983.38 = 1,242.62 : x
  2. Step 2: Convert to fraction form
    3,321.89/4,983.38 = 1,242.62/x
  3. Step 3: Cross multiply
    3,321.89x = 4,983.38 × 1,242.62
  4. Step 4: Simplify right side
    3,321.89x = 6,192,416.53
  5. Step 5: Solve for x
    x = 6,192,416.53/3,321.89
  6. Step 6: Final answer
    x = 1,864.13

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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.