Home / 3,856.54-5,785.04-1,083.43

Finding the Fourth Proportional to 3,856.54, 5,785.04 and 1,083.43

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Solution

The fourth proportional to 3,856.54, 5,785.04 and 1,083.43 is: 1,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.54 : 5,785.04 = 1,083.43 : x
  2. Step 2: Convert to fraction form
    3,856.54/5,785.04 = 1,083.43/x
  3. Step 3: Cross multiply
    3,856.54x = 5,785.04 × 1,083.43
  4. Step 4: Simplify right side
    3,856.54x = 6,267,700.85
  5. Step 5: Solve for x
    x = 6,267,700.85/3,856.54
  6. Step 6: Final answer
    x = 1,625.21

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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.