Home / 3,212.64-4,815.68-1,823.04

Finding the Fourth Proportional to 3,212.64, 4,815.68 and 1,823.04

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Solution

The fourth proportional to 3,212.64, 4,815.68 and 1,823.04 is: 2,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.64 : 4,815.68 = 1,823.04 : x
  2. Step 2: Convert to fraction form
    3,212.64/4,815.68 = 1,823.04/x
  3. Step 3: Cross multiply
    3,212.64x = 4,815.68 × 1,823.04
  4. Step 4: Simplify right side
    3,212.64x = 8,779,178.73
  5. Step 5: Solve for x
    x = 8,779,178.73/3,212.64
  6. Step 6: Final answer
    x = 2,732.70

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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.