Home / 3,385.80-5,072.22-2,284.74

Finding the Fourth Proportional to 3,385.80, 5,072.22 and 2,284.74

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Solution

The fourth proportional to 3,385.80, 5,072.22 and 2,284.74 is: 3,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.80 : 5,072.22 = 2,284.74 : x
  2. Step 2: Convert to fraction form
    3,385.80/5,072.22 = 2,284.74/x
  3. Step 3: Cross multiply
    3,385.80x = 5,072.22 × 2,284.74
  4. Step 4: Simplify right side
    3,385.80x = 11,588,703.92
  5. Step 5: Solve for x
    x = 11,588,703.92/3,385.80
  6. Step 6: Final answer
    x = 3,422.74

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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.