Home / 3,522.45-5,279.87-2,290.74

Finding the Fourth Proportional to 3,522.45, 5,279.87 and 2,290.74

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Solution

The fourth proportional to 3,522.45, 5,279.87 and 2,290.74 is: 3,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.45 : 5,279.87 = 2,290.74 : x
  2. Step 2: Convert to fraction form
    3,522.45/5,279.87 = 2,290.74/x
  3. Step 3: Cross multiply
    3,522.45x = 5,279.87 × 2,290.74
  4. Step 4: Simplify right side
    3,522.45x = 12,094,797.95
  5. Step 5: Solve for x
    x = 12,094,797.95/3,522.45
  6. Step 6: Final answer
    x = 3,433.63

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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.