Home / 2,209.26-3,333.95-2,135.82

Finding the Fourth Proportional to 2,209.26, 3,333.95 and 2,135.82

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Solution

The fourth proportional to 2,209.26, 3,333.95 and 2,135.82 is: 3,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.26 : 3,333.95 = 2,135.82 : x
  2. Step 2: Convert to fraction form
    2,209.26/3,333.95 = 2,135.82/x
  3. Step 3: Cross multiply
    2,209.26x = 3,333.95 × 2,135.82
  4. Step 4: Simplify right side
    2,209.26x = 7,120,706.41
  5. Step 5: Solve for x
    x = 7,120,706.41/2,209.26
  6. Step 6: Final answer
    x = 3,223.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.