Home / 2,813.13-3,884.96-2,257.27

Finding the Fourth Proportional to 2,813.13, 3,884.96 and 2,257.27

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Solution

The fourth proportional to 2,813.13, 3,884.96 and 2,257.27 is: 3,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.13 : 3,884.96 = 2,257.27 : x
  2. Step 2: Convert to fraction form
    2,813.13/3,884.96 = 2,257.27/x
  3. Step 3: Cross multiply
    2,813.13x = 3,884.96 × 2,257.27
  4. Step 4: Simplify right side
    2,813.13x = 8,769,399.59
  5. Step 5: Solve for x
    x = 8,769,399.59/2,813.13
  6. Step 6: Final answer
    x = 3,117.31

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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.