Home / 2,733.20-4,099.80-2,186.45

Finding the Fourth Proportional to 2,733.20, 4,099.80 and 2,186.45

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Solution

The fourth proportional to 2,733.20, 4,099.80 and 2,186.45 is: 3,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.20 : 4,099.80 = 2,186.45 : x
  2. Step 2: Convert to fraction form
    2,733.20/4,099.80 = 2,186.45/x
  3. Step 3: Cross multiply
    2,733.20x = 4,099.80 × 2,186.45
  4. Step 4: Simplify right side
    2,733.20x = 8,964,007.71
  5. Step 5: Solve for x
    x = 8,964,007.71/2,733.20
  6. Step 6: Final answer
    x = 3,279.68

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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.