Home / 3,080.30-4,250.21-2,031.75

Finding the Fourth Proportional to 3,080.30, 4,250.21 and 2,031.75

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Solution

The fourth proportional to 3,080.30, 4,250.21 and 2,031.75 is: 2,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.30 : 4,250.21 = 2,031.75 : x
  2. Step 2: Convert to fraction form
    3,080.30/4,250.21 = 2,031.75/x
  3. Step 3: Cross multiply
    3,080.30x = 4,250.21 × 2,031.75
  4. Step 4: Simplify right side
    3,080.30x = 8,635,354.01
  5. Step 5: Solve for x
    x = 8,635,354.01/3,080.30
  6. Step 6: Final answer
    x = 2,803.42

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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.