Home / 3,180.62-4,772.26-1,718.06

Finding the Fourth Proportional to 3,180.62, 4,772.26 and 1,718.06

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Solution

The fourth proportional to 3,180.62, 4,772.26 and 1,718.06 is: 2,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.62 : 4,772.26 = 1,718.06 : x
  2. Step 2: Convert to fraction form
    3,180.62/4,772.26 = 1,718.06/x
  3. Step 3: Cross multiply
    3,180.62x = 4,772.26 × 1,718.06
  4. Step 4: Simplify right side
    3,180.62x = 8,199,029.02
  5. Step 5: Solve for x
    x = 8,199,029.02/3,180.62
  6. Step 6: Final answer
    x = 2,577.81

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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.