Home / 3,213.74-4,434.84-1,816.52

Finding the Fourth Proportional to 3,213.74, 4,434.84 and 1,816.52

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Solution

The fourth proportional to 3,213.74, 4,434.84 and 1,816.52 is: 2,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.74 : 4,434.84 = 1,816.52 : x
  2. Step 2: Convert to fraction form
    3,213.74/4,434.84 = 1,816.52/x
  3. Step 3: Cross multiply
    3,213.74x = 4,434.84 × 1,816.52
  4. Step 4: Simplify right side
    3,213.74x = 8,055,975.56
  5. Step 5: Solve for x
    x = 8,055,975.56/3,213.74
  6. Step 6: Final answer
    x = 2,506.73

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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.