Home / 3,857.42-5,785.08-1,083.92

Finding the Fourth Proportional to 3,857.42, 5,785.08 and 1,083.92

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Solution

The fourth proportional to 3,857.42, 5,785.08 and 1,083.92 is: 1,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.42 : 5,785.08 = 1,083.92 : x
  2. Step 2: Convert to fraction form
    3,857.42/5,785.08 = 1,083.92/x
  3. Step 3: Cross multiply
    3,857.42x = 5,785.08 × 1,083.92
  4. Step 4: Simplify right side
    3,857.42x = 6,270,563.91
  5. Step 5: Solve for x
    x = 6,270,563.91/3,857.42
  6. Step 6: Final answer
    x = 1,625.58

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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.