Home / 3,204.28-4,421.23-1,945.99

Finding the Fourth Proportional to 3,204.28, 4,421.23 and 1,945.99

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Solution

The fourth proportional to 3,204.28, 4,421.23 and 1,945.99 is: 2,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.28 : 4,421.23 = 1,945.99 : x
  2. Step 2: Convert to fraction form
    3,204.28/4,421.23 = 1,945.99/x
  3. Step 3: Cross multiply
    3,204.28x = 4,421.23 × 1,945.99
  4. Step 4: Simplify right side
    3,204.28x = 8,603,669.37
  5. Step 5: Solve for x
    x = 8,603,669.37/3,204.28
  6. Step 6: Final answer
    x = 2,685.06

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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.