Home / 3,529.92-5,286.60-2,490.96

Finding the Fourth Proportional to 3,529.92, 5,286.60 and 2,490.96

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Solution

The fourth proportional to 3,529.92, 5,286.60 and 2,490.96 is: 3,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.92 : 5,286.60 = 2,490.96 : x
  2. Step 2: Convert to fraction form
    3,529.92/5,286.60 = 2,490.96/x
  3. Step 3: Cross multiply
    3,529.92x = 5,286.60 × 2,490.96
  4. Step 4: Simplify right side
    3,529.92x = 13,168,709.14
  5. Step 5: Solve for x
    x = 13,168,709.14/3,529.92
  6. Step 6: Final answer
    x = 3,730.60

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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.