Home / 3,084.31-4,622.05-2,917.99

Finding the Fourth Proportional to 3,084.31, 4,622.05 and 2,917.99

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Solution

The fourth proportional to 3,084.31, 4,622.05 and 2,917.99 is: 4,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.31 : 4,622.05 = 2,917.99 : x
  2. Step 2: Convert to fraction form
    3,084.31/4,622.05 = 2,917.99/x
  3. Step 3: Cross multiply
    3,084.31x = 4,622.05 × 2,917.99
  4. Step 4: Simplify right side
    3,084.31x = 13,487,095.68
  5. Step 5: Solve for x
    x = 13,487,095.68/3,084.31
  6. Step 6: Final answer
    x = 4,372.81

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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.