Home / 3,127.62-4,680.09-2,767.98

Finding the Fourth Proportional to 3,127.62, 4,680.09 and 2,767.98

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Solution

The fourth proportional to 3,127.62, 4,680.09 and 2,767.98 is: 4,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.62 : 4,680.09 = 2,767.98 : x
  2. Step 2: Convert to fraction form
    3,127.62/4,680.09 = 2,767.98/x
  3. Step 3: Cross multiply
    3,127.62x = 4,680.09 × 2,767.98
  4. Step 4: Simplify right side
    3,127.62x = 12,954,395.52
  5. Step 5: Solve for x
    x = 12,954,395.52/3,127.62
  6. Step 6: Final answer
    x = 4,141.93

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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.