Home / 3,280.55-4,524.36-2,218.03

Finding the Fourth Proportional to 3,280.55, 4,524.36 and 2,218.03

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Solution

The fourth proportional to 3,280.55, 4,524.36 and 2,218.03 is: 3,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.55 : 4,524.36 = 2,218.03 : x
  2. Step 2: Convert to fraction form
    3,280.55/4,524.36 = 2,218.03/x
  3. Step 3: Cross multiply
    3,280.55x = 4,524.36 × 2,218.03
  4. Step 4: Simplify right side
    3,280.55x = 10,035,160.44
  5. Step 5: Solve for x
    x = 10,035,160.44/3,280.55
  6. Step 6: Final answer
    x = 3,058.99

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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.