Home / 3,153.66-4,728.87-1,694.04

Finding the Fourth Proportional to 3,153.66, 4,728.87 and 1,694.04

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Solution

The fourth proportional to 3,153.66, 4,728.87 and 1,694.04 is: 2,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.66 : 4,728.87 = 1,694.04 : x
  2. Step 2: Convert to fraction form
    3,153.66/4,728.87 = 1,694.04/x
  3. Step 3: Cross multiply
    3,153.66x = 4,728.87 × 1,694.04
  4. Step 4: Simplify right side
    3,153.66x = 8,010,894.93
  5. Step 5: Solve for x
    x = 8,010,894.93/3,153.66
  6. Step 6: Final answer
    x = 2,540.19

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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.