Home / 3,785.62-5,674.20-1,931.26

Finding the Fourth Proportional to 3,785.62, 5,674.20 and 1,931.26

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Solution

The fourth proportional to 3,785.62, 5,674.20 and 1,931.26 is: 2,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.62 : 5,674.20 = 1,931.26 : x
  2. Step 2: Convert to fraction form
    3,785.62/5,674.20 = 1,931.26/x
  3. Step 3: Cross multiply
    3,785.62x = 5,674.20 × 1,931.26
  4. Step 4: Simplify right side
    3,785.62x = 10,958,355.49
  5. Step 5: Solve for x
    x = 10,958,355.49/3,785.62
  6. Step 6: Final answer
    x = 2,894.73

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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.