Home / 2,212.85-3,325.35-2,068.37

Finding the Fourth Proportional to 2,212.85, 3,325.35 and 2,068.37

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Solution

The fourth proportional to 2,212.85, 3,325.35 and 2,068.37 is: 3,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.85 : 3,325.35 = 2,068.37 : x
  2. Step 2: Convert to fraction form
    2,212.85/3,325.35 = 2,068.37/x
  3. Step 3: Cross multiply
    2,212.85x = 3,325.35 × 2,068.37
  4. Step 4: Simplify right side
    2,212.85x = 6,878,057.78
  5. Step 5: Solve for x
    x = 6,878,057.78/2,212.85
  6. Step 6: Final answer
    x = 3,108.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.