Home / 2,786.93-4,180.41-706.94

Finding the Fourth Proportional to 2,786.93, 4,180.41 and 706.94

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Solution

The fourth proportional to 2,786.93, 4,180.41 and 706.94 is: 1,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.93 : 4,180.41 = 706.94 : x
  2. Step 2: Convert to fraction form
    2,786.93/4,180.41 = 706.94/x
  3. Step 3: Cross multiply
    2,786.93x = 4,180.41 × 706.94
  4. Step 4: Simplify right side
    2,786.93x = 2,955,275.49
  5. Step 5: Solve for x
    x = 2,955,275.49/2,786.93
  6. Step 6: Final answer
    x = 1,060.41

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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.