Home / 3,213.75-4,435.25-2,034.39

Finding the Fourth Proportional to 3,213.75, 4,435.25 and 2,034.39

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Solution

The fourth proportional to 3,213.75, 4,435.25 and 2,034.39 is: 2,807.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.75 : 4,435.25 = 2,034.39 : x
  2. Step 2: Convert to fraction form
    3,213.75/4,435.25 = 2,034.39/x
  3. Step 3: Cross multiply
    3,213.75x = 4,435.25 × 2,034.39
  4. Step 4: Simplify right side
    3,213.75x = 9,023,018.08
  5. Step 5: Solve for x
    x = 9,023,018.08/3,213.75
  6. Step 6: Final answer
    x = 2,807.63

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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.