Home / 3,080.82-4,245.51-2,031.06

Finding the Fourth Proportional to 3,080.82, 4,245.51 and 2,031.06

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Solution

The fourth proportional to 3,080.82, 4,245.51 and 2,031.06 is: 2,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.82 : 4,245.51 = 2,031.06 : x
  2. Step 2: Convert to fraction form
    3,080.82/4,245.51 = 2,031.06/x
  3. Step 3: Cross multiply
    3,080.82x = 4,245.51 × 2,031.06
  4. Step 4: Simplify right side
    3,080.82x = 8,622,885.54
  5. Step 5: Solve for x
    x = 8,622,885.54/3,080.82
  6. Step 6: Final answer
    x = 2,798.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.