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Finding the Fourth Proportional to 2,003.49, 3,005.22 and 617.36

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Solution

The fourth proportional to 2,003.49, 3,005.22 and 617.36 is: 926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,003.49 : 3,005.22 = 617.36 : x
  2. Step 2: Convert to fraction form
    2,003.49/3,005.22 = 617.36/x
  3. Step 3: Cross multiply
    2,003.49x = 3,005.22 × 617.36
  4. Step 4: Simplify right side
    2,003.49x = 1,855,287.59
  5. Step 5: Solve for x
    x = 1,855,287.59/2,003.49
  6. Step 6: Final answer
    x = 926.03

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1.5x scale

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.