Home / 3,519.05-5,275.97-2,132.12

Finding the Fourth Proportional to 3,519.05, 5,275.97 and 2,132.12

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Solution

The fourth proportional to 3,519.05, 5,275.97 and 2,132.12 is: 3,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.05 : 5,275.97 = 2,132.12 : x
  2. Step 2: Convert to fraction form
    3,519.05/5,275.97 = 2,132.12/x
  3. Step 3: Cross multiply
    3,519.05x = 5,275.97 × 2,132.12
  4. Step 4: Simplify right side
    3,519.05x = 11,248,990.50
  5. Step 5: Solve for x
    x = 11,248,990.50/3,519.05
  6. Step 6: Final answer
    x = 3,196.60

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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.