Home / 3,001.22-4,138.99-1,882.30

Finding the Fourth Proportional to 3,001.22, 4,138.99 and 1,882.30

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Solution

The fourth proportional to 3,001.22, 4,138.99 and 1,882.30 is: 2,595.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.22 : 4,138.99 = 1,882.30 : x
  2. Step 2: Convert to fraction form
    3,001.22/4,138.99 = 1,882.30/x
  3. Step 3: Cross multiply
    3,001.22x = 4,138.99 × 1,882.30
  4. Step 4: Simplify right side
    3,001.22x = 7,790,820.88
  5. Step 5: Solve for x
    x = 7,790,820.88/3,001.22
  6. Step 6: Final answer
    x = 2,595.88

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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.