Home / 3,519.68-5,279.52-2,900.88

Finding the Fourth Proportional to 3,519.68, 5,279.52 and 2,900.88

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Solution

The fourth proportional to 3,519.68, 5,279.52 and 2,900.88 is: 4,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.68 : 5,279.52 = 2,900.88 : x
  2. Step 2: Convert to fraction form
    3,519.68/5,279.52 = 2,900.88/x
  3. Step 3: Cross multiply
    3,519.68x = 5,279.52 × 2,900.88
  4. Step 4: Simplify right side
    3,519.68x = 15,315,253.98
  5. Step 5: Solve for x
    x = 15,315,253.98/3,519.68
  6. Step 6: Final answer
    x = 4,351.32

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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.