Home / 3,213.53-4,433.56-1,954.19

Finding the Fourth Proportional to 3,213.53, 4,433.56 and 1,954.19

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Solution

The fourth proportional to 3,213.53, 4,433.56 and 1,954.19 is: 2,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.53 : 4,433.56 = 1,954.19 : x
  2. Step 2: Convert to fraction form
    3,213.53/4,433.56 = 1,954.19/x
  3. Step 3: Cross multiply
    3,213.53x = 4,433.56 × 1,954.19
  4. Step 4: Simplify right side
    3,213.53x = 8,664,018.62
  5. Step 5: Solve for x
    x = 8,664,018.62/3,213.53
  6. Step 6: Final answer
    x = 2,696.11

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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.