Home / 3,080.86-4,608.56-2,818.91

Finding the Fourth Proportional to 3,080.86, 4,608.56 and 2,818.91

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Solution

The fourth proportional to 3,080.86, 4,608.56 and 2,818.91 is: 4,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.86 : 4,608.56 = 2,818.91 : x
  2. Step 2: Convert to fraction form
    3,080.86/4,608.56 = 2,818.91/x
  3. Step 3: Cross multiply
    3,080.86x = 4,608.56 × 2,818.91
  4. Step 4: Simplify right side
    3,080.86x = 12,991,134.44
  5. Step 5: Solve for x
    x = 12,991,134.44/3,080.86
  6. Step 6: Final answer
    x = 4,216.73

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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.