Home / 3,220.76-4,833.58-2,124.76

Finding the Fourth Proportional to 3,220.76, 4,833.58 and 2,124.76

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Solution

The fourth proportional to 3,220.76, 4,833.58 and 2,124.76 is: 3,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.76 : 4,833.58 = 2,124.76 : x
  2. Step 2: Convert to fraction form
    3,220.76/4,833.58 = 2,124.76/x
  3. Step 3: Cross multiply
    3,220.76x = 4,833.58 × 2,124.76
  4. Step 4: Simplify right side
    3,220.76x = 10,270,197.44
  5. Step 5: Solve for x
    x = 10,270,197.44/3,220.76
  6. Step 6: Final answer
    x = 3,188.75

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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.