Home / 3,228.85-4,837.26-2,712.21

Finding the Fourth Proportional to 3,228.85, 4,837.26 and 2,712.21

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Solution

The fourth proportional to 3,228.85, 4,837.26 and 2,712.21 is: 4,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.85 : 4,837.26 = 2,712.21 : x
  2. Step 2: Convert to fraction form
    3,228.85/4,837.26 = 2,712.21/x
  3. Step 3: Cross multiply
    3,228.85x = 4,837.26 × 2,712.21
  4. Step 4: Simplify right side
    3,228.85x = 13,119,640.76
  5. Step 5: Solve for x
    x = 13,119,640.76/3,228.85
  6. Step 6: Final answer
    x = 4,063.25

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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.