Home / 1,481.98-2,224.32-1,392.67

Finding the Fourth Proportional to 1,481.98, 2,224.32 and 1,392.67

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Solution

The fourth proportional to 1,481.98, 2,224.32 and 1,392.67 is: 2,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.98 : 2,224.32 = 1,392.67 : x
  2. Step 2: Convert to fraction form
    1,481.98/2,224.32 = 1,392.67/x
  3. Step 3: Cross multiply
    1,481.98x = 2,224.32 × 1,392.67
  4. Step 4: Simplify right side
    1,481.98x = 3,097,732.61
  5. Step 5: Solve for x
    x = 3,097,732.61/1,481.98
  6. Step 6: Final answer
    x = 2,090.27

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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.