Home / 3,177.62-4,739.99-2,660.94

Finding the Fourth Proportional to 3,177.62, 4,739.99 and 2,660.94

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Solution

The fourth proportional to 3,177.62, 4,739.99 and 2,660.94 is: 3,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.62 : 4,739.99 = 2,660.94 : x
  2. Step 2: Convert to fraction form
    3,177.62/4,739.99 = 2,660.94/x
  3. Step 3: Cross multiply
    3,177.62x = 4,739.99 × 2,660.94
  4. Step 4: Simplify right side
    3,177.62x = 12,612,828.99
  5. Step 5: Solve for x
    x = 12,612,828.99/3,177.62
  6. Step 6: Final answer
    x = 3,969.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.