Home / 3,212.68-4,817.02-1,479.08

Finding the Fourth Proportional to 3,212.68, 4,817.02 and 1,479.08

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Solution

The fourth proportional to 3,212.68, 4,817.02 and 1,479.08 is: 2,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.68 : 4,817.02 = 1,479.08 : x
  2. Step 2: Convert to fraction form
    3,212.68/4,817.02 = 1,479.08/x
  3. Step 3: Cross multiply
    3,212.68x = 4,817.02 × 1,479.08
  4. Step 4: Simplify right side
    3,212.68x = 7,124,757.94
  5. Step 5: Solve for x
    x = 7,124,757.94/3,212.68
  6. Step 6: Final answer
    x = 2,217.70

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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.