Home / 3,205.24-4,807.38-2,660.92

Finding the Fourth Proportional to 3,205.24, 4,807.38 and 2,660.92

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Solution

The fourth proportional to 3,205.24, 4,807.38 and 2,660.92 is: 3,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.24 : 4,807.38 = 2,660.92 : x
  2. Step 2: Convert to fraction form
    3,205.24/4,807.38 = 2,660.92/x
  3. Step 3: Cross multiply
    3,205.24x = 4,807.38 × 2,660.92
  4. Step 4: Simplify right side
    3,205.24x = 12,792,053.59
  5. Step 5: Solve for x
    x = 12,792,053.59/3,205.24
  6. Step 6: Final answer
    x = 3,990.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.