Home / 3,213.43-4,434.54-1,816.18

Finding the Fourth Proportional to 3,213.43, 4,434.54 and 1,816.18

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Solution

The fourth proportional to 3,213.43, 4,434.54 and 1,816.18 is: 2,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.43 : 4,434.54 = 1,816.18 : x
  2. Step 2: Convert to fraction form
    3,213.43/4,434.54 = 1,816.18/x
  3. Step 3: Cross multiply
    3,213.43x = 4,434.54 × 1,816.18
  4. Step 4: Simplify right side
    3,213.43x = 8,053,922.86
  5. Step 5: Solve for x
    x = 8,053,922.86/3,213.43
  6. Step 6: Final answer
    x = 2,506.33

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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.