Home / 3,089.72-4,635.12-2,766.80

Finding the Fourth Proportional to 3,089.72, 4,635.12 and 2,766.80

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Solution

The fourth proportional to 3,089.72, 4,635.12 and 2,766.80 is: 4,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.72 : 4,635.12 = 2,766.80 : x
  2. Step 2: Convert to fraction form
    3,089.72/4,635.12 = 2,766.80/x
  3. Step 3: Cross multiply
    3,089.72x = 4,635.12 × 2,766.80
  4. Step 4: Simplify right side
    3,089.72x = 12,824,450.02
  5. Step 5: Solve for x
    x = 12,824,450.02/3,089.72
  6. Step 6: Final answer
    x = 4,150.68

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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.