Home / 3,213.25-4,434.32-1,816.03

Finding the Fourth Proportional to 3,213.25, 4,434.32 and 1,816.03

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Solution

The fourth proportional to 3,213.25, 4,434.32 and 1,816.03 is: 2,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.25 : 4,434.32 = 1,816.03 : x
  2. Step 2: Convert to fraction form
    3,213.25/4,434.32 = 1,816.03/x
  3. Step 3: Cross multiply
    3,213.25x = 4,434.32 × 1,816.03
  4. Step 4: Simplify right side
    3,213.25x = 8,052,858.15
  5. Step 5: Solve for x
    x = 8,052,858.15/3,213.25
  6. Step 6: Final answer
    x = 2,506.14

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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.