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Finding the Fourth Proportional to 2,030.25, 3,045.50 and 662.25

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Solution

The fourth proportional to 2,030.25, 3,045.50 and 662.25 is: 993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.25 : 3,045.50 = 662.25 : x
  2. Step 2: Convert to fraction form
    2,030.25/3,045.50 = 662.25/x
  3. Step 3: Cross multiply
    2,030.25x = 3,045.50 × 662.25
  4. Step 4: Simplify right side
    2,030.25x = 2,016,879.06
  5. Step 5: Solve for x
    x = 2,016,879.06/2,030.25
  6. Step 6: Final answer
    x = 993.41

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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.