Home / 3,734.94-5,155.35-2,163.42

Finding the Fourth Proportional to 3,734.94, 5,155.35 and 2,163.42

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Solution

The fourth proportional to 3,734.94, 5,155.35 and 2,163.42 is: 2,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.94 : 5,155.35 = 2,163.42 : x
  2. Step 2: Convert to fraction form
    3,734.94/5,155.35 = 2,163.42/x
  3. Step 3: Cross multiply
    3,734.94x = 5,155.35 × 2,163.42
  4. Step 4: Simplify right side
    3,734.94x = 11,153,187.30
  5. Step 5: Solve for x
    x = 11,153,187.30/3,734.94
  6. Step 6: Final answer
    x = 2,986.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.