Home / 3,213.44-4,434.45-1,816.28

Finding the Fourth Proportional to 3,213.44, 4,434.45 and 1,816.28

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Solution

The fourth proportional to 3,213.44, 4,434.45 and 1,816.28 is: 2,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.44 : 4,434.45 = 1,816.28 : x
  2. Step 2: Convert to fraction form
    3,213.44/4,434.45 = 1,816.28/x
  3. Step 3: Cross multiply
    3,213.44x = 4,434.45 × 1,816.28
  4. Step 4: Simplify right side
    3,213.44x = 8,054,202.85
  5. Step 5: Solve for x
    x = 8,054,202.85/3,213.44
  6. Step 6: Final answer
    x = 2,506.41

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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.