Home / 2,262.97-3,392.43-1,438.93

Finding the Fourth Proportional to 2,262.97, 3,392.43 and 1,438.93

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Solution

The fourth proportional to 2,262.97, 3,392.43 and 1,438.93 is: 2,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.97 : 3,392.43 = 1,438.93 : x
  2. Step 2: Convert to fraction form
    2,262.97/3,392.43 = 1,438.93/x
  3. Step 3: Cross multiply
    2,262.97x = 3,392.43 × 1,438.93
  4. Step 4: Simplify right side
    2,262.97x = 4,881,469.30
  5. Step 5: Solve for x
    x = 4,881,469.30/2,262.97
  6. Step 6: Final answer
    x = 2,157.11

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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.