Home / 3,201.56-4,420.38-2,007.02

Finding the Fourth Proportional to 3,201.56, 4,420.38 and 2,007.02

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Solution

The fourth proportional to 3,201.56, 4,420.38 and 2,007.02 is: 2,771.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.56 : 4,420.38 = 2,007.02 : x
  2. Step 2: Convert to fraction form
    3,201.56/4,420.38 = 2,007.02/x
  3. Step 3: Cross multiply
    3,201.56x = 4,420.38 × 2,007.02
  4. Step 4: Simplify right side
    3,201.56x = 8,871,791.07
  5. Step 5: Solve for x
    x = 8,871,791.07/3,201.56
  6. Step 6: Final answer
    x = 2,771.08

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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.