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Finding the Fourth Proportional to 1,333.92, 2,001.94 and 603.55

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Solution

The fourth proportional to 1,333.92, 2,001.94 and 603.55 is: 905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333.92 : 2,001.94 = 603.55 : x
  2. Step 2: Convert to fraction form
    1,333.92/2,001.94 = 603.55/x
  3. Step 3: Cross multiply
    1,333.92x = 2,001.94 × 603.55
  4. Step 4: Simplify right side
    1,333.92x = 1,208,270.89
  5. Step 5: Solve for x
    x = 1,208,270.89/1,333.92
  6. Step 6: Final answer
    x = 905.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.