Home / 1,654.37-2,481.56-1,289.43

Finding the Fourth Proportional to 1,654.37, 2,481.56 and 1,289.43

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Solution

The fourth proportional to 1,654.37, 2,481.56 and 1,289.43 is: 1,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.37 : 2,481.56 = 1,289.43 : x
  2. Step 2: Convert to fraction form
    1,654.37/2,481.56 = 1,289.43/x
  3. Step 3: Cross multiply
    1,654.37x = 2,481.56 × 1,289.43
  4. Step 4: Simplify right side
    1,654.37x = 3,199,797.67
  5. Step 5: Solve for x
    x = 3,199,797.67/1,654.37
  6. Step 6: Final answer
    x = 1,934.15

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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.