Home / 3,280.79-4,525.72-2,022.12

Finding the Fourth Proportional to 3,280.79, 4,525.72 and 2,022.12

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Solution

The fourth proportional to 3,280.79, 4,525.72 and 2,022.12 is: 2,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.79 : 4,525.72 = 2,022.12 : x
  2. Step 2: Convert to fraction form
    3,280.79/4,525.72 = 2,022.12/x
  3. Step 3: Cross multiply
    3,280.79x = 4,525.72 × 2,022.12
  4. Step 4: Simplify right side
    3,280.79x = 9,151,548.93
  5. Step 5: Solve for x
    x = 9,151,548.93/3,280.79
  6. Step 6: Final answer
    x = 2,789.43

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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.