Home / 3,080.88-4,625.44-2,621.61

Finding the Fourth Proportional to 3,080.88, 4,625.44 and 2,621.61

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Solution

The fourth proportional to 3,080.88, 4,625.44 and 2,621.61 is: 3,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.88 : 4,625.44 = 2,621.61 : x
  2. Step 2: Convert to fraction form
    3,080.88/4,625.44 = 2,621.61/x
  3. Step 3: Cross multiply
    3,080.88x = 4,625.44 × 2,621.61
  4. Step 4: Simplify right side
    3,080.88x = 12,126,093.20
  5. Step 5: Solve for x
    x = 12,126,093.20/3,080.88
  6. Step 6: Final answer
    x = 3,935.92

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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.