Home / 3,214.60-4,816.72-1,823.80

Finding the Fourth Proportional to 3,214.60, 4,816.72 and 1,823.80

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Solution

The fourth proportional to 3,214.60, 4,816.72 and 1,823.80 is: 2,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.60 : 4,816.72 = 1,823.80 : x
  2. Step 2: Convert to fraction form
    3,214.60/4,816.72 = 1,823.80/x
  3. Step 3: Cross multiply
    3,214.60x = 4,816.72 × 1,823.80
  4. Step 4: Simplify right side
    3,214.60x = 8,784,733.94
  5. Step 5: Solve for x
    x = 8,784,733.94/3,214.60
  6. Step 6: Final answer
    x = 2,732.76

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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.