Home / 3,217.80-4,833.90-3,086.60

Finding the Fourth Proportional to 3,217.80, 4,833.90 and 3,086.60

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Solution

The fourth proportional to 3,217.80, 4,833.90 and 3,086.60 is: 4,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.80 : 4,833.90 = 3,086.60 : x
  2. Step 2: Convert to fraction form
    3,217.80/4,833.90 = 3,086.60/x
  3. Step 3: Cross multiply
    3,217.80x = 4,833.90 × 3,086.60
  4. Step 4: Simplify right side
    3,217.80x = 14,920,315.74
  5. Step 5: Solve for x
    x = 14,920,315.74/3,217.80
  6. Step 6: Final answer
    x = 4,636.81

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1.5x scale

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.