Home / 3,391.52-4,680.72-2,065.42

Finding the Fourth Proportional to 3,391.52, 4,680.72 and 2,065.42

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Solution

The fourth proportional to 3,391.52, 4,680.72 and 2,065.42 is: 2,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.52 : 4,680.72 = 2,065.42 : x
  2. Step 2: Convert to fraction form
    3,391.52/4,680.72 = 2,065.42/x
  3. Step 3: Cross multiply
    3,391.52x = 4,680.72 × 2,065.42
  4. Step 4: Simplify right side
    3,391.52x = 9,667,652.70
  5. Step 5: Solve for x
    x = 9,667,652.70/3,391.52
  6. Step 6: Final answer
    x = 2,850.54

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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.