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Finding the Fourth Proportional to 1,632.33, 2,448.50 and 658.19

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Solution

The fourth proportional to 1,632.33, 2,448.50 and 658.19 is: 987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.33 : 2,448.50 = 658.19 : x
  2. Step 2: Convert to fraction form
    1,632.33/2,448.50 = 658.19/x
  3. Step 3: Cross multiply
    1,632.33x = 2,448.50 × 658.19
  4. Step 4: Simplify right side
    1,632.33x = 1,611,581.05
  5. Step 5: Solve for x
    x = 1,611,581.05/1,632.33
  6. Step 6: Final answer
    x = 987.29

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Double scale
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Similar ratio
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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.