Home / 3,228.93-4,456.45-1,813.22

Finding the Fourth Proportional to 3,228.93, 4,456.45 and 1,813.22

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Solution

The fourth proportional to 3,228.93, 4,456.45 and 1,813.22 is: 2,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.93 : 4,456.45 = 1,813.22 : x
  2. Step 2: Convert to fraction form
    3,228.93/4,456.45 = 1,813.22/x
  3. Step 3: Cross multiply
    3,228.93x = 4,456.45 × 1,813.22
  4. Step 4: Simplify right side
    3,228.93x = 8,080,520.96
  5. Step 5: Solve for x
    x = 8,080,520.96/3,228.93
  6. Step 6: Final answer
    x = 2,502.54

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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.