Home / 3,278.71-4,914.59-2,236.13

Finding the Fourth Proportional to 3,278.71, 4,914.59 and 2,236.13

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Solution

The fourth proportional to 3,278.71, 4,914.59 and 2,236.13 is: 3,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.71 : 4,914.59 = 2,236.13 : x
  2. Step 2: Convert to fraction form
    3,278.71/4,914.59 = 2,236.13/x
  3. Step 3: Cross multiply
    3,278.71x = 4,914.59 × 2,236.13
  4. Step 4: Simplify right side
    3,278.71x = 10,989,626.38
  5. Step 5: Solve for x
    x = 10,989,626.38/3,278.71
  6. Step 6: Final answer
    x = 3,351.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.