Home / 1,654.24-2,481.09-558.58

Finding the Fourth Proportional to 1,654.24, 2,481.09 and 558.58

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Solution

The fourth proportional to 1,654.24, 2,481.09 and 558.58 is: 837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.24 : 2,481.09 = 558.58 : x
  2. Step 2: Convert to fraction form
    1,654.24/2,481.09 = 558.58/x
  3. Step 3: Cross multiply
    1,654.24x = 2,481.09 × 558.58
  4. Step 4: Simplify right side
    1,654.24x = 1,385,887.25
  5. Step 5: Solve for x
    x = 1,385,887.25/1,654.24
  6. Step 6: Final answer
    x = 837.78

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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.