Home / 3,208.20-4,427.64-2,029.38

Finding the Fourth Proportional to 3,208.20, 4,427.64 and 2,029.38

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Solution

The fourth proportional to 3,208.20, 4,427.64 and 2,029.38 is: 2,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.20 : 4,427.64 = 2,029.38 : x
  2. Step 2: Convert to fraction form
    3,208.20/4,427.64 = 2,029.38/x
  3. Step 3: Cross multiply
    3,208.20x = 4,427.64 × 2,029.38
  4. Step 4: Simplify right side
    3,208.20x = 8,985,364.06
  5. Step 5: Solve for x
    x = 8,985,364.06/3,208.20
  6. Step 6: Final answer
    x = 2,800.75

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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.