Home / 3,209.09-4,790.41-2,773.13

Finding the Fourth Proportional to 3,209.09, 4,790.41 and 2,773.13

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Solution

The fourth proportional to 3,209.09, 4,790.41 and 2,773.13 is: 4,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.09 : 4,790.41 = 2,773.13 : x
  2. Step 2: Convert to fraction form
    3,209.09/4,790.41 = 2,773.13/x
  3. Step 3: Cross multiply
    3,209.09x = 4,790.41 × 2,773.13
  4. Step 4: Simplify right side
    3,209.09x = 13,284,434.73
  5. Step 5: Solve for x
    x = 13,284,434.73/3,209.09
  6. Step 6: Final answer
    x = 4,139.63

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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.