Home / 3,201.53-4,420.31-2,007.05

Finding the Fourth Proportional to 3,201.53, 4,420.31 and 2,007.05

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Solution

The fourth proportional to 3,201.53, 4,420.31 and 2,007.05 is: 2,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.53 : 4,420.31 = 2,007.05 : x
  2. Step 2: Convert to fraction form
    3,201.53/4,420.31 = 2,007.05/x
  3. Step 3: Cross multiply
    3,201.53x = 4,420.31 × 2,007.05
  4. Step 4: Simplify right side
    3,201.53x = 8,871,751.05
  5. Step 5: Solve for x
    x = 8,871,751.05/3,201.53
  6. Step 6: Final answer
    x = 2,771.10

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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.