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Finding the Fourth Proportional to 2,335.38, 3,503.07 and 603.99

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Solution

The fourth proportional to 2,335.38, 3,503.07 and 603.99 is: 905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.38 : 3,503.07 = 603.99 : x
  2. Step 2: Convert to fraction form
    2,335.38/3,503.07 = 603.99/x
  3. Step 3: Cross multiply
    2,335.38x = 3,503.07 × 603.99
  4. Step 4: Simplify right side
    2,335.38x = 2,115,819.25
  5. Step 5: Solve for x
    x = 2,115,819.25/2,335.38
  6. Step 6: Final answer
    x = 905.99

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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.