Home / 3,734.75-5,153.96-2,078.75

Finding the Fourth Proportional to 3,734.75, 5,153.96 and 2,078.75

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Solution

The fourth proportional to 3,734.75, 5,153.96 and 2,078.75 is: 2,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.75 : 5,153.96 = 2,078.75 : x
  2. Step 2: Convert to fraction form
    3,734.75/5,153.96 = 2,078.75/x
  3. Step 3: Cross multiply
    3,734.75x = 5,153.96 × 2,078.75
  4. Step 4: Simplify right side
    3,734.75x = 10,713,783.96
  5. Step 5: Solve for x
    x = 10,713,783.96/3,734.75
  6. Step 6: Final answer
    x = 2,868.68

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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.