Home / 2,201.80-3,307.26-2,127.99

Finding the Fourth Proportional to 2,201.80, 3,307.26 and 2,127.99

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Solution

The fourth proportional to 2,201.80, 3,307.26 and 2,127.99 is: 3,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.80 : 3,307.26 = 2,127.99 : x
  2. Step 2: Convert to fraction form
    2,201.80/3,307.26 = 2,127.99/x
  3. Step 3: Cross multiply
    2,201.80x = 3,307.26 × 2,127.99
  4. Step 4: Simplify right side
    2,201.80x = 7,037,816.21
  5. Step 5: Solve for x
    x = 7,037,816.21/2,201.80
  6. Step 6: Final answer
    x = 3,196.39

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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.