Home / 2,221.41-3,329.99-1,110.09

Finding the Fourth Proportional to 2,221.41, 3,329.99 and 1,110.09

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Solution

The fourth proportional to 2,221.41, 3,329.99 and 1,110.09 is: 1,664.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.41 : 3,329.99 = 1,110.09 : x
  2. Step 2: Convert to fraction form
    2,221.41/3,329.99 = 1,110.09/x
  3. Step 3: Cross multiply
    2,221.41x = 3,329.99 × 1,110.09
  4. Step 4: Simplify right side
    2,221.41x = 3,696,588.60
  5. Step 5: Solve for x
    x = 3,696,588.60/2,221.41
  6. Step 6: Final answer
    x = 1,664.07

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1.5x scale

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.