Home / 4,152.20-5,732.78-2,660.79

Finding the Fourth Proportional to 4,152.20, 5,732.78 and 2,660.79

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Solution

The fourth proportional to 4,152.20, 5,732.78 and 2,660.79 is: 3,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.20 : 5,732.78 = 2,660.79 : x
  2. Step 2: Convert to fraction form
    4,152.20/5,732.78 = 2,660.79/x
  3. Step 3: Cross multiply
    4,152.20x = 5,732.78 × 2,660.79
  4. Step 4: Simplify right side
    4,152.20x = 15,253,710.39
  5. Step 5: Solve for x
    x = 15,253,710.39/4,152.20
  6. Step 6: Final answer
    x = 3,673.65

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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.