Home / 3,217.75-4,439.10-2,273.39

Finding the Fourth Proportional to 3,217.75, 4,439.10 and 2,273.39

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Solution

The fourth proportional to 3,217.75, 4,439.10 and 2,273.39 is: 3,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.75 : 4,439.10 = 2,273.39 : x
  2. Step 2: Convert to fraction form
    3,217.75/4,439.10 = 2,273.39/x
  3. Step 3: Cross multiply
    3,217.75x = 4,439.10 × 2,273.39
  4. Step 4: Simplify right side
    3,217.75x = 10,091,808.53
  5. Step 5: Solve for x
    x = 10,091,808.53/3,217.75
  6. Step 6: Final answer
    x = 3,136.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.