Home / 2,132.78-3,204.26-1,393.00

Finding the Fourth Proportional to 2,132.78, 3,204.26 and 1,393.00

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Solution

The fourth proportional to 2,132.78, 3,204.26 and 1,393.00 is: 2,092.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.78 : 3,204.26 = 1,393.00 : x
  2. Step 2: Convert to fraction form
    2,132.78/3,204.26 = 1,393.00/x
  3. Step 3: Cross multiply
    2,132.78x = 3,204.26 × 1,393.00
  4. Step 4: Simplify right side
    2,132.78x = 4,463,524.43
  5. Step 5: Solve for x
    x = 4,463,524.43/2,132.78
  6. Step 6: Final answer
    x = 2,092.82

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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.