Home / 3,520.42-5,286.67-3,125.99

Finding the Fourth Proportional to 3,520.42, 5,286.67 and 3,125.99

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Solution

The fourth proportional to 3,520.42, 5,286.67 and 3,125.99 is: 4,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.42 : 5,286.67 = 3,125.99 : x
  2. Step 2: Convert to fraction form
    3,520.42/5,286.67 = 3,125.99/x
  3. Step 3: Cross multiply
    3,520.42x = 5,286.67 × 3,125.99
  4. Step 4: Simplify right side
    3,520.42x = 16,526,077.55
  5. Step 5: Solve for x
    x = 16,526,077.55/3,520.42
  6. Step 6: Final answer
    x = 4,694.35

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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.