Home / 1,654.24-2,481.36-499.99

Finding the Fourth Proportional to 1,654.24, 2,481.36 and 499.99

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Solution

The fourth proportional to 1,654.24, 2,481.36 and 499.99 is: 749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.24 : 2,481.36 = 499.99 : x
  2. Step 2: Convert to fraction form
    1,654.24/2,481.36 = 499.99/x
  3. Step 3: Cross multiply
    1,654.24x = 2,481.36 × 499.99
  4. Step 4: Simplify right side
    1,654.24x = 1,240,662.64
  5. Step 5: Solve for x
    x = 1,240,662.64/1,654.24
  6. Step 6: Final answer
    x = 749.99

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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.