Home / 1,481.11-2,221.69-1,436.01

Finding the Fourth Proportional to 1,481.11, 2,221.69 and 1,436.01

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Solution

The fourth proportional to 1,481.11, 2,221.69 and 1,436.01 is: 2,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.11 : 2,221.69 = 1,436.01 : x
  2. Step 2: Convert to fraction form
    1,481.11/2,221.69 = 1,436.01/x
  3. Step 3: Cross multiply
    1,481.11x = 2,221.69 × 1,436.01
  4. Step 4: Simplify right side
    1,481.11x = 3,190,363.50
  5. Step 5: Solve for x
    x = 3,190,363.50/1,481.11
  6. Step 6: Final answer
    x = 2,154.03

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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.