Home / 2,045.49-3,067.23-658.50

Finding the Fourth Proportional to 2,045.49, 3,067.23 and 658.50

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Solution

The fourth proportional to 2,045.49, 3,067.23 and 658.50 is: 987.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045.49 : 3,067.23 = 658.50 : x
  2. Step 2: Convert to fraction form
    2,045.49/3,067.23 = 658.50/x
  3. Step 3: Cross multiply
    2,045.49x = 3,067.23 × 658.50
  4. Step 4: Simplify right side
    2,045.49x = 2,019,770.96
  5. Step 5: Solve for x
    x = 2,019,770.96/2,045.49
  6. Step 6: Final answer
    x = 987.43

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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.