Home / 3,228.02-4,453.32-2,108.54

Finding the Fourth Proportional to 3,228.02, 4,453.32 and 2,108.54

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Solution

The fourth proportional to 3,228.02, 4,453.32 and 2,108.54 is: 2,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.02 : 4,453.32 = 2,108.54 : x
  2. Step 2: Convert to fraction form
    3,228.02/4,453.32 = 2,108.54/x
  3. Step 3: Cross multiply
    3,228.02x = 4,453.32 × 2,108.54
  4. Step 4: Simplify right side
    3,228.02x = 9,390,003.35
  5. Step 5: Solve for x
    x = 9,390,003.35/3,228.02
  6. Step 6: Final answer
    x = 2,908.90

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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.